alexandrite natural of photo stone

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1. Natural Alexandrite Oval 3.06 cts at Alexandrite discussion forums | Alexandrite guide: Natural Alexandrite Oval 3.06 cts at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2016-08-04 04:47:35; /discussion/topic/natural-alexandrite-oval-3-06-cts-FRM-460
2. Is alexandrite the most expensive gemstone in the world? at Alexandrite discussion forums | Alexandrite guide: Is alexandrite the most expensive gemstone in the world? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2013-04-09 07:24:45; /discussion/topic/is-alexandrite-the-most-expensive-gemstone-in-the--FRM-459
3. How much will a typical one carat alexandrite gemstone cost? at Alexandrite discussion forums | Alexandrite guide: How much will a typical one carat alexandrite gemstone cost? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2013-03-18 12:31:54; /discussion/topic/how-much-will-a-typical-one-carat-alexandrite-gems-FRM-458
4. Is alexandrite the most expensive gemstone in the world? at Alexandrite discussion forums | Alexandrite guide: Is alexandrite the most expensive gemstone in the world? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2013-01-22 19:50:31; /discussion/post/is-alexandrite-the-most-expensive-gemstone-in-the-world-FRM-458-00001
5. Alexandrite engagement ring at Alexandrite discussion forums | Alexandrite guide: Alexandrite engagement ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2013-01-02 08:18:02; /discussion/post/alexandrite-engagement-ring-FRM-176-00011
6. Alexandrite engagement ring at Alexandrite discussion forums | Alexandrite guide: Alexandrite engagement ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2013-01-02 08:16:05; /discussion/post/alexandrite-engagement-ring-FRM-176-00008
7. Old Russian Alexandrite Ring at Alexandrite discussion forums | Alexandrite guide: Old Russian Alexandrite Ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-08-26 12:37:00; /discussion/post/-old-russian-alexandrite-ring-FRM-368-00001
8. Re: 14.00 Carat Alexandrite for sale at Alexandrite discussion forums | Alexandrite guide: Re: 14.00 Carat Alexandrite for sale at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-08-26 12:32:00; /discussion/post/re-14-00-carat-alexandrite-for-sale-FRM-427-00001
9. Re: same day appraisal? at Alexandrite discussion forums | Alexandrite guide: Re: same day appraisal? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-08-02 08:34:22; /discussion/post/re-same-day-appraisal-FRM-428-00001
10. I would really like to find out more about my alexandrite ring please at Alexandrite discussion forums | Alexandrite guide: I would really like to find out more about my alexandrite ring please at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-08-02 08:30:00; /discussion/topic/i-would-really-like-to-find-out-more-about-my-alex-FRM-429
11. 14.00 Carat Alexandrite for sale at Alexandrite discussion forums | Alexandrite guide: 14.00 Carat Alexandrite for sale at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-07-24 11:59:00; /discussion/topic/14-00-carat-alexandrite-for-sale-FRM-427
12. value at Alexandrite discussion forums | Alexandrite guide: value at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-06-21 07:10:39; /discussion/topic/value-FRM-426
13. Re: In need of Help Identifying... at Alexandrite discussion forums | Alexandrite guide: Re: In need of Help Identifying... at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-06-19 07:20:06; /discussion/post/re-in-need-of-help-identifying-FRM-423-00001
14. Re: My Brazilian Alexandrite purchased 1987 at Alexandrite discussion forums | Alexandrite guide: Re: My Brazilian Alexandrite purchased 1987 at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-06-19 07:17:53; /discussion/post/re-my-brazilian-alexandrite-purchased-1987-FRM-425-00002
15. Re: My Brazilian Alexandrite purchased 1987 at Alexandrite discussion forums | Alexandrite guide: Re: My Brazilian Alexandrite purchased 1987 at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-06-19 07:17:50; /discussion/post/re-my-brazilian-alexandrite-purchased-1987-FRM-425-00001
16. My Brazilian Alexandrite purchased 1987 at Alexandrite discussion forums | Alexandrite guide: My Brazilian Alexandrite purchased 1987 at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-06-10 16:18:28; /discussion/topic/my-brazilian-alexandrite-purchased-1987-FRM-425
17. I was told this was an alexandrite when given to me. at Alexandrite discussion forums | Alexandrite guide: I was told this was an alexandrite when given to me. at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-06-09 02:01:22; /discussion/topic/i-was-told-this-was-an-alexandrite-when-given-to-m-FRM-424
18. In need of Help Identifying... at Alexandrite discussion forums | Alexandrite guide: In need of Help Identifying... at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-06-06 03:31:34; /discussion/topic/in-need-of-help-identifying-FRM-423
19. In need of Help Identifying... at Alexandrite discussion forums | Alexandrite guide: In need of Help Identifying... at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-06-06 03:29:28; /discussion/topic/in-need-of-help-identifying-FRM-422
20. 183 carat Rough Alexandrite For Sale at Alexandrite discussion forums | Alexandrite guide: 183 carat Rough Alexandrite For Sale at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-05-03 18:47:27; /discussion/topic/183-carat-rough-alexandrite-for-sale-FRM-421
21. Deciding Between Natural and Synthetic Alexandrite at Alexandrite discussion forums | Alexandrite guide: Deciding Between Natural and Synthetic Alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-02-18 01:27:32; /discussion/topic/deciding-between-natural-and-synthetic-alexandrite-FRM-416
22. Re: Alexandrite of Brésilia at Alexandrite discussion forums | Alexandrite guide: Re: Alexandrite of Brésilia at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-01-19 05:25:41; /discussion/post/re-alexandrite-of-brjsilia-FRM-414-00004
23. Re: Alexandrite of Brésilia at Alexandrite discussion forums | Alexandrite guide: Re: Alexandrite of Brésilia at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-01-19 00:43:50; /discussion/post/re-alexandrite-of-brjsilia-FRM-414-00003
24. Re: Alexandrite of Brésilia at Alexandrite discussion forums | Alexandrite guide: Re: Alexandrite of Brésilia at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-01-18 00:08:33; /discussion/post/re-alexandrite-of-brjsilia-FRM-414-00002
25. Alexandrite of Brésilia at Alexandrite discussion forums | Alexandrite guide: Alexandrite of Brésilia at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-01-17 20:25:00; /discussion/post/alexandrite-of-brjsilia-FRM-414-00001
26. Alexandrite of Brésilia aproximatively 14 carats with another one half smaller of same crystal !!! at Alexandrite discussion forums | Alexandrite guide: Alexandrite of Brésilia aproximatively 14 carats with another one half smaller of same crystal !!! at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-01-16 09:44:24; /discussion/topic/alexandrite-of-brjsilia-aproximatively-14-carats-w-FRM-414
27. Re: My mother has an Alexandrite ring she may wish to sell at Alexandrite discussion forums | Alexandrite guide: Re: My mother has an Alexandrite ring she may wish to sell at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-12-09 02:01:01; /discussion/post/re-my-mother-has-an-alexandrite-ring-she-may-wish-to-sell-FRM-357-00002
28. alexandrite for sale at Alexandrite discussion forums | Alexandrite guide: alexandrite for sale at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-12-09 01:51:41; /discussion/topic/alexandrite-for-sale-FRM-402
29. re: advice at Alexandrite discussion forums | Alexandrite guide: re: advice at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-11-30 17:37:20; /discussion/topic/re-advice-FRM-383
30. need advice as quickly as possible at Alexandrite discussion forums | Alexandrite guide: need advice as quickly as possible at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-11-30 17:30:50; /discussion/topic/need-advice-as-quickly-as-possible-FRM-382
31. need advice as quickly as possible at Alexandrite discussion forums | Alexandrite guide: need advice as quickly as possible at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-11-30 17:29:05; /discussion/topic/need-advice-as-quickly-as-possible-FRM-381
32. Book review: Russian Alexandrites at Alexandrite discussion forums | Alexandrite guide: Book review: Russian Alexandrites at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-11-27 21:21:00; /discussion/post/book-review-russian-alexandrites-FRM-362-00001
33. Book review: Russian Alexandrites at Alexandrite discussion forums | Alexandrite guide: Book review: Russian Alexandrites at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-11-27 21:21:00; /discussion/post/book-review-russian-alexandrites-FRM-362-00002
34. Book review: Russian Alexandrites at Alexandrite discussion forums | Alexandrite guide: Book review: Russian Alexandrites at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-11-27 21:21:00; /discussion/post/book-review-russian-alexandrites-FRM-362-00003
35. Re: New Book: Russian Alexandrites by Dr. Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide: Re: New Book: Russian Alexandrites by Dr. Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-11-27 21:18:00; /discussion/post/re-new-book-russian-alexandrites-by-dr-karl-schmetzer-FRM-375-00001
36. Natural alexandrite investment potential? at Alexandrite discussion forums | Alexandrite guide: Natural alexandrite investment potential? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-11-27 20:24:36; /discussion/topic/natural-alexandrite-investment-potential-FRM-380
37. Phenomenal gemstones at Alexandrite discussion forums | Alexandrite guide: Phenomenal gemstones at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-10-18 19:20:37; /discussion/topic/phenomenal-gemstones-FRM-378
38. New Book: Russian Alexandrites by Dr. Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide: New Book: Russian Alexandrites by Dr. Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-10-10 15:21:00; /discussion/topic/new-book-russian-alexandrites-by-dr-karl-schmetzer-FRM-375
39. Alexandrites From the Novello Claims in Zim at Alexandrite discussion forums | Alexandrite guide: Alexandrites From the Novello Claims in Zim at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-10-07 13:01:33; /discussion/topic/alexandrites-from-the-novello-claims-in-zim-FRM-374
40. Alexandrite Specimens at Alexandrite discussion forums | Alexandrite guide: Alexandrite Specimens at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-10-07 12:55:54; /discussion/topic/alexandrite-specimens-FRM-373
41. Alexandrite Specimens for collectors at Alexandrite discussion forums | Alexandrite guide: Alexandrite Specimens for collectors at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-10-07 12:53:46; /discussion/topic/alexandrite-specimens-for-collectors-FRM-372
42. Re: Alexandrite Mine ( Zimbabwe) at Alexandrite discussion forums | Alexandrite guide: Re: Alexandrite Mine ( Zimbabwe) at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-08-16 19:24:41; /discussion/post/re-alexandrite-mine-zimbabwe-FRM-370-00001
43. Alexandrite Mine ( Zimbabwe) at Alexandrite discussion forums | Alexandrite guide: Alexandrite Mine ( Zimbabwe) at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-08-16 17:54:00; /discussion/topic/alexandrite-mine-zimbabwe-FRM-370
44. Old Alexandrite Ring In Gold [For Sale] at Alexandrite discussion forums | Alexandrite guide: Old Alexandrite Ring In Gold [For Sale] at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-08-14 14:08:49; /discussion/topic/old-alexandrite-ring-in-gold-[for-sale]-FRM-368
45. Old Alexandrite Ring In Gold [For Sale] at Alexandrite discussion forums | Alexandrite guide: Old Alexandrite Ring In Gold [For Sale] at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-08-14 14:02:00; /discussion/topic/old-alexandrite-ring-in-gold-[for-sale]-FRM-367
46. Old Alexandrite Ring In Gold [For Sale] at Alexandrite discussion forums | Alexandrite guide: Old Alexandrite Ring In Gold [For Sale] at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-08-14 14:01:55; /discussion/topic/old-alexandrite-ring-in-gold-[for-sale]-FRM-366
47. Old Alexandrite Ring In Gold [For Sale] at Alexandrite discussion forums | Alexandrite guide: Old Alexandrite Ring In Gold [For Sale] at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-08-14 14:00:26; /discussion/topic/old-alexandrite-ring-in-gold-[for-sale]-FRM-365
48. Old Alexandrite Ring In Gold [For Sale] at Alexandrite discussion forums | Alexandrite guide: Old Alexandrite Ring In Gold [For Sale] at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-08-14 13:59:56; /discussion/topic/old-alexandrite-ring-in-gold-[for-sale]-FRM-364
49. Re: Tsarina rings at Alexandrite discussion forums | Alexandrite guide: Re: Tsarina rings at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-08-12 05:06:12; /discussion/post/re-tsarina-rings-FRM-287-00009
50. "Tatiana" alexandrite ring at Alexandrite discussion forums | Alexandrite guide: "Tatiana" alexandrite ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-08-12 05:06:00; /discussion/post/-tatiana-alexandrite-ring-FRM-287-00010
51. Book Announcement: Russian Alexandrites by Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide: Book Announcement: Russian Alexandrites by Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-08-11 04:12:00; /discussion/topic/book-announcement-russian-alexandrites-by-karl-sch-FRM-362
52. Book Announcement: Russian Alexandrites by Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide: Book Announcement: Russian Alexandrites by Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-08-11 04:12:00; /discussion/topic/book-announcement-russian-alexandrites-by-karl-sch-FRM-361
53. Re: Rough / Uncut Alexandrite. at Alexandrite discussion forums | Alexandrite guide: Re: Rough / Uncut Alexandrite. at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-07-05 07:06:03; /discussion/post/re-rough-uncut-alexandrite-FRM-350-00002
54. Re: Pricing at Alexandrite discussion forums | Alexandrite guide: Re: Pricing at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-07-05 06:45:59; /discussion/post/re-pricing-FRM-360-00001
55. Re: Alexandrite World Occurrences at Alexandrite discussion forums | Alexandrite guide: Re: Alexandrite World Occurrences at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-07-03 19:17:07; /discussion/post/re-alexandrite-world-occurrences-FRM-335-00002
56. Re: Why do you love alexandrite? at Alexandrite discussion forums | Alexandrite guide: Re: Why do you love alexandrite? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-07-03 18:20:46; /discussion/post/re-why-do-you-love-alexandrite-FRM-353-00002
57. Pricing at Alexandrite discussion forums | Alexandrite guide: Pricing at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-06-24 06:26:00; /discussion/topic/pricing-FRM-360
58. Re: Contact information for Alexandrite Tsarstone Collectors Guide at Alexandrite discussion forums | Alexandrite guide: Re: Contact information for Alexandrite Tsarstone Collectors Guide at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-06-22 09:27:24; /discussion/post/re-contact-information-for-alexandrite-tsarstone-collectors-guide-FRM-358-00002
59. Chronological History of Alexandrite at Alexandrite discussion forums | Alexandrite guide: Chronological History of Alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-06-14 06:51:41; /discussion/topic/chronological-history-of-alexandrite-FRM-359
60. My mother has an Alexandrite ring she may wish to sell at Alexandrite discussion forums | Alexandrite guide: My mother has an Alexandrite ring she may wish to sell at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-05-25 07:18:57; /discussion/post/my-mother-has-an-alexandrite-ring-she-may-wish-to-sell-FRM-357-00001
61. Alexandrite appraise in the Oklahoma City at Alexandrite discussion forums | Alexandrite guide: Alexandrite appraise in the Oklahoma City at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-05-25 06:59:50; /discussion/post/alexandrite-appraise-in-the-oklahoma-city-FRM-358-00001
62. Contact information for Alexandrite Tsarstone Collectors Guide at Alexandrite discussion forums | Alexandrite guide: Contact information for Alexandrite Tsarstone Collectors Guide at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-05-24 15:58:41; /discussion/topic/contact-information-for-alexandrite-tsarstone-coll-FRM-358
63. Alexandrite Ring at Alexandrite discussion forums | Alexandrite guide: Alexandrite Ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-05-12 02:11:14; /discussion/topic/alexandrite-ring-FRM-357
64. Definition of Alexandrite cat's eye at Alexandrite discussion forums | Alexandrite guide: Definition of Alexandrite cat's eye at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-04-14 06:34:44; /discussion/topic/definition-of-alexandrite-cat-s-eye-FRM-356
65. Re: Browse gemstones tagged with color change gemstone at Alexandrite discussion forums | Alexandrite guide: Re: Browse gemstones tagged with color change gemstone at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-01-30 00:24:06; /discussion/post/re-browse-gemstones-tagged-with-color-change-gemstone-FRM-355-00001
66. Natural Alexandrite Pear 7.24 cts at Alexandrite discussion forums | Alexandrite guide: Natural Alexandrite Pear 7.24 cts at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-12-21 00:39:49; /discussion/topic/natural-alexandrite-pear-7-24-cts-FRM-354
67. Can you love something for the sake of rarity? at Alexandrite discussion forums | Alexandrite guide: Can you love something for the sake of rarity? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-10-09 19:31:38; /discussion/post/can-you-love-something-for-the-sake-of-rarity-FRM-353-00001
68. Why do you love alexandrite? at Alexandrite discussion forums | Alexandrite guide: Why do you love alexandrite? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-10-08 17:41:37; /discussion/topic/why-do-you-love-alexandrite-FRM-353
69. Natural Alexandrite Ring at Alexandrite discussion forums | Alexandrite guide: Natural Alexandrite Ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-09-16 05:59:23; /discussion/post/natural-alexandrite-ring-FRM-171-00003
70. Brazilian alexandrite engagement ring at Alexandrite discussion forums | Alexandrite guide: Brazilian alexandrite engagement ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-09-16 05:50:41; /discussion/post/brazilian-alexandrite-engagement-ring-FRM-176-00007
71. Re: Rough / Uncut Alexandrite. at Alexandrite discussion forums | Alexandrite guide: Re: Rough / Uncut Alexandrite. at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-09-16 05:37:33; /discussion/post/re-rough-uncut-alexandrite-FRM-350-00001
72. Angelica at Alexandrite discussion forums | Alexandrite guide: Angelica at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-09-07 08:23:09; /discussion/topic/angelica-FRM-351
73. Rough / Uncut Alexandrite. at Alexandrite discussion forums | Alexandrite guide: Rough / Uncut Alexandrite. at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-09-07 08:10:43; /discussion/topic/rough-uncut-alexandrite-FRM-350
74. Different colors of alexandrite at Alexandrite discussion forums | Alexandrite guide: Different colors of alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-08-06 10:37:53; /discussion/post/different-colors-of-alexandrite-FRM-347-00001
75. Alexandrite Gemstone Encyclopedia Wins IMA Award. at Alexandrite discussion forums | Alexandrite guide: Alexandrite Gemstone Encyclopedia Wins IMA Award. at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-08-06 09:40:54; /discussion/topic/alexandrite-gemstone-encyclopedia-wins-ima-award-FRM-349
76. Alexandrite Myths, Legends and Lore at Alexandrite discussion forums | Alexandrite guide: Alexandrite Myths, Legends and Lore at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-07-29 11:08:58; /discussion/post/alexandrite-myths-legends-and-lore-FRM-321-00001
77. Chrysoberyl Species and Variety at Alexandrite discussion forums | Alexandrite guide: Chrysoberyl Species and Variety at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-07-03 03:45:00; /discussion/topic/chrysoberyl-species-and-variety-FRM-347
78. The Alexandrite Laser at Alexandrite discussion forums | Alexandrite guide: The Alexandrite Laser at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-06-10 17:49:53; /discussion/post/the-alexandrite-laser-FRM-160-00003
79. Alexandrite substitutes at Alexandrite discussion forums | Alexandrite guide: Alexandrite substitutes at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-05-01 13:48:00; /discussion/post/alexandrite-substitutes-FRM-324-00004
80. Re: Large clean chrysoberyls sells for around USD 200.00 per carat at Alexandrite discussion forums | Alexandrite guide: Re: Large clean chrysoberyls sells for around USD 200.00 per carat at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-21 09:56:19; /discussion/post/re-large-clean-chrysoberyls-sells-for-around-usd-200-00-per-carat-FRM-340-00005
81. Genuine alexandrite and diamond vintage ring at Alexandrite discussion forums | Alexandrite guide: Genuine alexandrite and diamond vintage ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-11 14:07:00; /discussion/post/genuine-alexandrite-and-diamond-vintage-ring-FRM-287-00007
82. Large clean chrysoberyls sells for around USD 200.00 per carat at Alexandrite discussion forums | Alexandrite guide: Large clean chrysoberyls sells for around USD 200.00 per carat at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-11 13:49:00; /discussion/post/large-clean-chrysoberyls-sells-for-around-usd-200-00-per-carat-FRM-340-00004
83. Mark Henry alexandrite ring at Alexandrite discussion forums | Alexandrite guide: Mark Henry alexandrite ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-11 09:23:10; /discussion/post/mark-henry-alexandrite-ring-FRM-287-00006
84. Alexandrite diamond ring at Alexandrite discussion forums | Alexandrite guide: Alexandrite diamond ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-11 09:12:56; /discussion/post/alexandrite-diamond-ring-FRM-287-00005
85. Causes of color change in malaia and color changing garnets at Alexandrite discussion forums | Alexandrite guide: Causes of color change in malaia and color changing garnets at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-09 08:55:00; /discussion/post/causes-of-color-change-in-malaia-and-color-changing-garnets-FRM-342-00003
86. Colour change garnet, Malaia garnet and malaya garnet at Alexandrite discussion forums | Alexandrite guide: Colour change garnet, Malaia garnet and malaya garnet at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-08 08:21:00; /discussion/post/colour-change-garnet-malaia-garnet-and-malaya-garnet-FRM-342-00002
87. Colour change garnet vs Alexandrite at Alexandrite discussion forums | Alexandrite guide: Colour change garnet vs Alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-07 09:48:00; /discussion/post/colour-change-garnet-vs-alexandrite-FRM-342-00001
88. Colour change garnet at Alexandrite discussion forums | Alexandrite guide: Colour change garnet at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-05 13:17:20; /discussion/topic/colour-change-garnet-FRM-342
89. Color change garnet vs Alexandrite at Alexandrite discussion forums | Alexandrite guide: Color change garnet vs Alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-05 00:40:00; /discussion/post/color-change-garnet-vs-alexandrite-FRM-341-00002
90. The Purkinje Effect at Alexandrite discussion forums | Alexandrite guide: The Purkinje Effect at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-04 15:21:00; /discussion/post/the-purkinje-effect-FRM-323-00003
91. Alexandrite Garnet at Alexandrite discussion forums | Alexandrite guide: Alexandrite Garnet at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-04 14:26:00; /discussion/post/alexandrite-garnet-FRM-341-00001
92. Are there any other gemstones which change color? at Alexandrite discussion forums | Alexandrite guide: Are there any other gemstones which change color? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-04 14:14:00; /discussion/topic/are-there-any-other-gemstones-which-change-color-FRM-341
93. Chrysoberyl rough weighing over 2984.9 ct was valued at 175.000 USD at Alexandrite discussion forums | Alexandrite guide: Chrysoberyl rough weighing over 2984.9 ct was valued at 175.000 USD at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-04 12:24:00; /discussion/post/chrysoberyl-rough-weighing-over-2984-9-ct-was-valued-at-175-000-usd-FRM-340-00002
94. A very large Alexandrite at Alexandrite discussion forums | Alexandrite guide: A very large Alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-04 02:35:00; /discussion/post/a-very-large-alexandrite-FRM-340-00001
95. A very large Alexandrite at Alexandrite discussion forums | Alexandrite guide: A very large Alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-03 17:32:00; /discussion/topic/a-very-large-alexandrite-FRM-340
96. Alexandrite mining in Ilakaka at Alexandrite discussion forums | Alexandrite guide: Alexandrite mining in Ilakaka at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-03 09:00:00; /discussion/post/alexandrite-mining-in-ilakaka-FRM-170-00001
97. The Alexandrite Effect at Alexandrite discussion forums | Alexandrite guide: The Alexandrite Effect at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-02 16:32:30; /discussion/post/the-alexandrite-effect-FRM-323-00002
98. What is the june gemstone? at Alexandrite discussion forums | Alexandrite guide: What is the june gemstone? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-02 15:18:00; /discussion/topic/what-is-the-june-gemstone-FRM-337
99. Alexandrite - perfect engagement ring at Alexandrite discussion forums | Alexandrite guide: Alexandrite - perfect engagement ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-02 05:09:00; /discussion/post/alexandrite-perfect-engagement-ring-FRM-176-00006
100. Colour change not quite the same thing as pleochroism at Alexandrite discussion forums | Alexandrite guide: Colour change not quite the same thing as pleochroism at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-01 15:03:00; /discussion/post/colour-change-not-quite-the-same-thing-as-pleochroism-FRM-336-00002
101. Kunzite - pleochroism and color-fading effect at Alexandrite discussion forums | Alexandrite guide: Kunzite - pleochroism and color-fading effect at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-01 13:54:00; /discussion/post/-kunzite-pleochroism-and-color-fading-effect-FRM-336-00001
102. Colour changing Kunzite? at Alexandrite discussion forums | Alexandrite guide: Colour changing Kunzite? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-01 13:41:00; /discussion/topic/colour-changing-kunzite-FRM-336
103. OneMine: OneMine collects the most relevant and reliable aggregation of technical papers associated with mining and minerals. Anyone can search OneMine, but only members of participating societies can view, download and print documents.; HTML, 63 Kb, 2009-04-01 12:25:17; /directory/publications/onemine-wdd-003-00043.html
104. Alexandrite - Malacacheta at Alexandrite discussion forums | Alexandrite guide: Alexandrite - Malacacheta at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-01 11:40:00; /discussion/post/alexandrite-malacacheta-FRM-335-00001
105. Alexandrite World Occurrences at Alexandrite discussion forums | Alexandrite guide: Alexandrite World Occurrences at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-01 09:32:34; /discussion/topic/alexandrite-world-occurrences-FRM-335
106. Teid Mining - Novello mine new owners at Alexandrite discussion forums | Alexandrite guide: Teid Mining - Novello mine new owners at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-01 08:00:00; /discussion/post/teid-mining-novello-mine-new-owners-FRM-163-00003
107. Mark Henry: HTML, 63 Kb, 2009-03-30 13:02:23; /directory/jewelers/mark-henry-wdd-003-00042.html
108. Synthetic Gems: Thailand based manufacturer and supplier of synthetic lab grown faceted and rough cubic zirconia, spinel, CZ Russian Diamonds, Synthetic corundum, Synthetic Spinel, Terbium Glass, Quartz, Hydrothermal, Precious & Semi-Precious Gems of vaious shapes,; HTML, 63 Kb, 2009-03-30 12:16:11; /directory/manufacturers/synthetic-gems-wdd-003-00041.html
109. American Gem Trade Association: Founded in 1981, the American Gem Trade Association is a group of US and Canadian professionals dedicated to promoting the natural colored gemstone and cultured pearl trade while maintaining the highest ethical standards among its members and within the i; HTML, 63 Kb, 2009-03-30 11:45:10; /directory/organizations/american-gem-trade-association-wdd-003-00038.html
110. The International Colored Gemstone Association: The International Colored Gemstone Association, headquartered in New York City and operating additional "GemBureaus" in Idar-Oberstein and Dubai, is the nonprofit trade association that represents the international colored gemstone industry, an extremely; HTML, 63 Kb, 2009-03-30 11:24:43; /directory/organizations/the-international-colored-gemstone-association-wdd-003-00036.html
111. Colored Stone: Colored Stone is owned by Interweave Press. Included among its magazines are Beadwork, Knits, American Artist, and FiberArts. In business since 1975, Interweave Press publishes a growing number of magazines and many books related to fiber, thread, needlew; HTML, 64 Kb, 2009-03-30 11:20:06; /directory/publications/colored-stone-wdd-003-00035.html
112. Diamnd Tech: Thai/U.S. joint venture established to manufacture high quality diamond tools at affordable prices for gemstone and glass cutting industries throughout the world. Diamond Tech standard diamond discs feature high concentrations of specially micronized q; HTML, 63 Kb, 2009-03-30 11:08:08; /directory/manufacturers/diamnd-tech-wdd-003-00034.html
113. Pala International: HTML, 64 Kb, 2009-03-30 07:51:42; /directory/gemstone-dealers/pala-international-wdd-003-00032.html
114. Icgems: HTML, 63 Kb, 2009-03-30 07:42:28; /directory/gemstone-dealers/icgems-wdd-003-00031.html
115. China Stone: HTML, 64 Kb, 2009-03-30 07:29:18; /directory/gemstone-dealers/china-stone-wdd-003-00030.html
116. Embassy Emeralds: HTML, 64 Kb, 2009-03-30 07:08:21; /directory/gemstone-dealers/embassy-emeralds-wdd-003-00029.html
117. Re: Zandrite at Alexandrite discussion forums | Alexandrite guide: Re: Zandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-28 12:20:00; /discussion/post/re-zandrite-FRM-324-00002
118. Alexandrite and Pearls Bands at Alexandrite discussion forums | Alexandrite guide: Alexandrite and Pearls Bands at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-28 12:10:00; /discussion/post/alexandrite-and-pearls-bands-FRM-176-00005
119. Synthetic alexandrite identification at Alexandrite discussion forums | Alexandrite guide: Synthetic alexandrite identification at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-28 06:53:00; /discussion/topic/synthetic-alexandrite-identification-FRM-325
120. Zandrite at Alexandrite discussion forums | Alexandrite guide: Zandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-28 06:22:00; /discussion/post/zandrite-FRM-324-00001
121. Alexandrite Effect vs Usambara Effect at Alexandrite discussion forums | Alexandrite guide: Alexandrite Effect vs Usambara Effect at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-28 06:04:00; /discussion/post/alexandrite-effect-vs-usambara-effect-FRM-323-00001
122. Alexandrite Synthetics and Imitations at Alexandrite discussion forums | Alexandrite guide: Alexandrite Synthetics and Imitations at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-28 05:34:42; /discussion/topic/alexandrite-synthetics-and-imitations-FRM-324
123. The Alexandrite Effect at Alexandrite discussion forums | Alexandrite guide: The Alexandrite Effect at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-27 12:22:00; /discussion/topic/the-alexandrite-effect-FRM-323
124. Platinum Alexandrite Engagement Ring at Alexandrite discussion forums | Alexandrite guide: Platinum Alexandrite Engagement Ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-22 02:30:17; /discussion/post/platinum-alexandrite-engagement-ring-FRM-176-00003
125. Alexandrite Myths, Legends and Lore at Alexandrite discussion forums | Alexandrite guide: Alexandrite Myths, Legends and Lore at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-22 02:17:05; /discussion/topic/alexandrite-myths-legends-and-lore-FRM-321
126. Vintage alexandrite ring at Alexandrite discussion forums | Alexandrite guide: Vintage alexandrite ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-22 02:12:08; /discussion/post/vintage-alexandrite-ring-FRM-287-00004
127. Re: Definition of Alexandrine at Alexandrite discussion forums | Alexandrite guide: Re: Definition of Alexandrine at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-20 00:17:39; /discussion/post/re-definition-of-alexandrine-FRM-304-00001
128. Color change natural tourmaline at Alexandrite discussion forums | Alexandrite guide: Color change natural tourmaline at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-20 00:13:00; /discussion/post/color-change-natural-tourmaline-FRM-282-00006
129. Re: Very modern, sleek Alexandrite ring at Alexandrite discussion forums | Alexandrite guide: Re: Very modern, sleek Alexandrite ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-19 23:48:26; /discussion/post/re-very-modern-sleek-alexandrite-ring-FRM-287-00003
130. Definition of Alexandrine at Alexandrite discussion forums | Alexandrite guide: Definition of Alexandrine at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-19 23:47:00; /discussion/topic/definition-of-alexandrine-FRM-304
131. Very modern, sleek Alexandrite ring at Alexandrite discussion forums | Alexandrite guide: Very modern, sleek Alexandrite ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-19 22:47:00; /discussion/post/very-modern-sleek-alexandrite-ring-FRM-287-00002
132. Is there a difference between Russian and Brazilian Alexandrite gemstones? at Alexandrite discussion forums | Alexandrite guide: Is there a difference between Russian and Brazilian Alexandrite gemstones? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-19 22:26:42; /discussion/topic/is-there-a-difference-between-russian-and-brazilia-FRM-303
133. What is the difference between chrysoberyl and alexandrite? at Alexandrite discussion forums | Alexandrite guide: What is the difference between chrysoberyl and alexandrite? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-19 22:15:42; /discussion/topic/what-is-the-difference-between-chrysoberyl-and-ale-FRM-302
134. Stunning eternity alexandrite ring at Alexandrite discussion forums | Alexandrite guide: Stunning eternity alexandrite ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-19 19:14:00; /discussion/post/stunning-eternity-alexandrite-ring-FRM-287-00001
135. Tsarina rings at Alexandrite discussion forums | Alexandrite guide: Tsarina rings at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-17 14:21:00; /discussion/topic/tsarina-rings-FRM-287
136. Obtala Resources agrees licensing deal with Gemstones of Africa at Alexandrite discussion forums | Alexandrite guide: Obtala Resources agrees licensing deal with Gemstones of Africa at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-16 03:40:00; /discussion/topic/obtala-resources-agrees-licensing-deal-with-gemsto-FRM-284
137. The Association of Jewellery Appraisers: The Association of Jewellery Appraisers is a non-profit making organization that is governed by a volunteer team of elected Professional Jewellery Appraisers, all of whom are experienced Certified Appraisers.; HTML, 64 Kb, 2009-03-15 03:47:28; /directory/appraisals/the-association-of-jewellery-appraisers-wdd-003-00028.html
138. National Association of Goldsmith: The National Association of Goldsmith (N.A.G.) was established in 1894 to serve and support the Jewellery Industry of Great Britain and Ireland. The Association promotes high professional standards among its membership to inspire consumer confidence and t; HTML, 64 Kb, 2009-03-15 03:41:19; /directory/appraisals/national-association-of-goldsmith-wdd-003-00027.html
139. The American Society of Appraisers: The society originated in 1936 and incorporated in 1952. ASA is headquartered in the metropolitan Washington, D.C., area. It is one of eight major appraisal societies that, in 1987, founded The Appraisal Foundation, a national nonprofit organization creat; HTML, 64 Kb, 2009-03-15 03:38:33; /directory/appraisals/the-american-society-of-appraisers-wdd-003-00026.html
140. The International Society of Appraisers: The International Society of Appraisers (ISA) was formed in 1979 as a for-profit corporation focused on the education and professionalism of personal property appraisers. It became a non-profit corporation in 1994, and remains dedicated to enhancing the p; HTML, 64 Kb, 2009-03-15 03:35:38; /directory/appraisals/the-international-society-of-appraisers-wdd-003-00025.html
141. The National Association of Jewelry Appraisers: The National Association of Jewelry Appraisers is the only appraisal association in the United States that devotes itself solely to the appraisal of gems, jewelry, silver flatware and hollowware.; HTML, 64 Kb, 2009-03-15 03:30:29; /directory/appraisals/the-national-association-of-jewelry-appraisers-wdd-003-00024.html
142. Jewellers Vigilance Canada (JVC): Jewellers Vigilance Canada (JVC) was established in 1987 as an independent non-profit association with a mandate to advance ethical practices, establish a level playing field for the Canadian jewellery industry and provide crime prevention education for t; HTML, 64 Kb, 2009-03-15 03:27:39; /directory/appraisals/jewellers-vigilance-canada-jvc-wdd-003-00023.html
143. Gemmological Association of Great Britain: Gem-A, which began as a Gemmological Committee of the National Association of Goldsmiths, first introduced a gemmology qualification in 1908 in order to encourage jewelers to understand the gems they were selling and to identify the fakes.; HTML, 65 Kb, 2009-03-15 03:22:40; /directory/laboratories/gemmological-association-of-great-britain-wdd-003-00022.html
144. Gemological Institute of America: GIA is considered the world's most trusted name in diamond grading and gemstone identification. GIA’s D-to-Z colour-grading scale and Flawless-to-I3 clarity-grading scale are recognized by gem and jewellery professionals everywhere. And, by extension, t; HTML, 65 Kb, 2009-03-15 03:18:30; /directory/laboratories/gemological-institute-of-america-wdd-003-00021.html
145. American Gemological Laboratories: American Gemological Laboratories is a unit of Collectors Universe, the leading provider of value-added authentication and grading services for high-value collectibles and gemstones, which was founded in 1986 and publicly traded since 1999. In 1977, Ameri; HTML, 65 Kb, 2009-03-15 03:14:21; /directory/laboratories/american-gemological-laboratories-wdd-003-00020.html
146. What's the difference between a Valuation and Appraisal? at Alexandrite discussion forums | Alexandrite guide: What's the difference between a Valuation and Appraisal? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-15 03:12:00; /discussion/post/what-s-the-difference-between-a-valuation-and-appraisal-FRM-280-00001
147. AGTA Gemological Testing Center: The AGTA Gemological Testing Center is the natural coloured gemstone industry’s premier independent laboratory providing the industry and the public with a complete range of services, including gemstone identification, origin determination and pearl ide; HTML, 65 Kb, 2009-03-15 03:11:40; /directory/laboratories/agta-gemological-testing-center-wdd-003-00019.html
148. SSEF: SSEF laboratory offers analysis of precious stones and issue test reports for diamonds, coloured stones and pearls. It was recognized in 1978 by the International Confederation of Jewellers and Goldsmiths (CIBJO and also a member of the International Colo; HTML, 65 Kb, 2009-03-15 03:08:12; /directory/laboratories/ssef-wdd-003-00018.html
149. Gubelin Gemological Laboratories: Dr. Eduard J. Gubelin, one of the forefathers of modern gemology, and who was a Founding Organizing Member as well as an Honorary Member of the International Colored Gemstone Association (ICA), passed away in Lucerne, Switzerland in March at the age of 91; HTML, 66 Kb, 2009-03-15 03:05:18; /directory/laboratories/gubelin-gemological-laboratories-wdd-003-00017.html
150. GemResearch Swisslab: Private gemological research company focused on the characterization of high-quality gems from newly opened mines.; HTML, 65 Kb, 2009-03-15 03:01:18; /directory/laboratories/gemresearch-swisslab-wdd-003-00016.html
151. Appraisals at Alexandrite discussion forums | Alexandrite guide: Appraisals at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-15 02:49:00; /discussion/topic/appraisals-FRM-280
152. The Gem and Jewelry Institute of Thailand: IT Gem Testing Laboratory (GIT-GTL), has been accredited by The World Jewellery Confederation (CIBJO) as the CIBJO Registered Laboratory since May 2000.; HTML, 65 Kb, 2009-03-15 02:46:44; /directory/laboratories/the-gem-and-jewelry-institute-of-thailand-wdd-003-00015.html
153. AIGS Gemological Laboratory: First professional gemological laboratory to be established in Asia in 19978, - The AIGS Gemological Laboratory is a private, independent gemological laboratory, member of the Thai Gem and Jewelry Traders Association (TGJTA), and The International Colored; HTML, 65 Kb, 2009-03-15 02:39:58; /directory/laboratories/aigs-gemological-laboratory-wdd-003-00014.html
154. The Russian MSU Gemological Center: Found at 1995, MSU Gemological Center is a part of MSU Department of Geology and co-founders of the Russian Gemological Society (2000), the Union of Modern and Antique Jewelry Appraisers, and member of the Russian Diamond Chamber.; HTML, 65 Kb, 2009-03-15 02:33:25; /directory/laboratories/the-russian-msu-gemological-center-wdd-003-00013.html
155. Zenhokyo: Leading gemmological educational institution in Japan has been providing professional education in the field for the past 30 years. Zenhokyo Laboratory is equipped with the most professional and advanced testing devices and systems, including inductive; HTML, 65 Kb, 2009-03-15 02:29:48; /directory/laboratories/zenhokyo-wdd-003-00012.html
156. European Gemological Laboratory: As a member of the EGL USA Group, European Gemological Laboratory (EGL) is a full-service lab and offers a comprehensive array of gem identification, evaluation reports including customized reports of identification for rough and polished diamonds as well; HTML, 65 Kb, 2009-03-15 02:22:20; /directory/laboratories/european-gemological-laboratory-wdd-003-00010.html
157. Gem Studies Lab: GAA was formed in Sydney, on the 29th October 1945, the Association has been responsible for producing Australia’s gemmologists by educating and updating members of the gem and jewellery industry and the general public, about all aspects of gemstones an; HTML, 66 Kb, 2009-03-15 02:18:56; /directory/laboratories/gem-studies-lab-wdd-003-00009.html
158. David Yurman: An internationally acclaimed designer of fine jewelry. Recognized as the leading American jewelry designer, Yurman paved the way for a new era in fine jewelry with wearable, classic designs that carry a distinctive signature cable look. Available in over; HTML, 64 Kb, 2009-03-15 01:29:21; /directory/jewelers/david-yurman-wdd-003-00007.html
159. David Wein: David Wein is an online fine jewelry store in association with Multicolour.com, the world´s most eclectic favourite online gemstone retailer. David Wein brings together an exquisite range of fine jewelry at exceptional value. Visitors will find an e; HTML, 64 Kb, 2009-03-15 01:14:43; /directory/jewelers/david-wein-wdd-003-00005.html
160. Pearlera: Perlera Online Jewellery Boutique offers high fashion and timeless jewellery classics in an exquisite range of pearl jewellery, silver and coloured gemstone creations. Provides jewellery collections showcase, buyers tips and jewellery guides.; HTML, 64 Kb, 2009-03-15 01:04:19; /directory/jewelers/pearlera-wdd-003-00003.html
161.: An internationally acclaimed designer of fine jewelry. Recognized as the leading American jewelry designer, Yurman paved the way for a new era in fine jewelry with wearable, classic designs that carry a distinctive signature cable look. Available in over; HTML, 63 Kb, 2009-03-15 00:29:59; /directory/jewelers/david-yurman-wdd-003-00008.html
162.: David Wein is an online fine jewelry store in association with Multicolour.com, the world´s most eclectic favourite online gemstone retailer. David Wein brings together an exquisite range of fine jewelry at exceptional value. Visitors will find an e; HTML, 63 Kb, 2009-03-15 00:14:55; /directory/jewelers/david-wein-wdd-003-00006.html
163.: Fameo Online Jewellery Boutique specialises in design and manufacture of the gold, colour gemstone and pearl jewellery. Award winning jewellery designs and bespoke jewellery service. Provides jewellery collections showcase, buyers tips and jewellery guid; HTML, 63 Kb, 2009-03-15 00:05:23; /directory/jewelers/fameo-wdd-003-00004.html
164. Alexandrite Questions, Answers and a Quick Reference: The quick reference to how to select, buy and enjoy alexandrite gemstones and jewelry; HTML, 30 Kb, 2009-03-14 17:33:16; /alexandrite.html
165. Javore: Javore is an alexandrite jewellery designer.; HTML, 63 Kb, 2009-03-09 18:45:28; /directory/jewelers/javore-wdd-003-00002.html
166. Multicolour Gems: HTML, 63 Kb, 2009-03-06 16:25:54; /directory/gemstone-dealers/multicolour-gems-wdd-003-00001.html
167. Red color change garnet at Alexandrite discussion forums | Alexandrite guide: Red color change garnet at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2008-09-16 02:21:00; /discussion/post/red-color-change-garnet-FRM-282-00003
168. Accessibility of Alexandrite Tsarstone Collectors Guide: Alexandrite Guide website accessibility standards are in place with the intention of making the content accessible to the widest range of visitors, regardless of disability or impairment.; HTML, 37 Kb, 2008-08-08 10:03:43; /about/accessibility/index.html
169. Zimbabwean alexandrite, Girdlestone Farm: Information about Zimbabwean alexandrite findings and mining in Girdlestone Farm, Zimbabwe.; HTML, 28 Kb, 2008-07-31 07:35:54; /localities/alexandrite-locality-zimbabwe-masvingo-girdlestone-farm.html
170. American alexandrite, La Madera Mountain Mine: Information about American alexandrite findings and mining in New Mexico, USA.; HTML, 29 Kb, 2008-07-31 07:35:42; /localities/alexandrite-locality-usa-petaca-district-la-madera.html
171. Tanzanian alexandrite, Lake Manyara: Information about Tanzanian alexandrite findings and mining in Lake Manyara, Tanzania.; HTML, 29 Kb, 2008-07-31 07:35:34; /localities/alexandrite-locality-tanzania-lake-manyara.html
172. Tanzanian alexandrite, Tunduru: Information about Tanzanian alexandrite findings and mining in Tunduru, Tanzania.; HTML, 29 Kb, 2008-07-31 07:35:25; /localities/alexandrite-locality-tanzania-tunduru.html
173. Ceylon alexandrite, Horana: Information about Ceylon alexandrite findings and mining in Horana, Sri Lanka.; HTML, 29 Kb, 2008-07-31 07:35:14; /localities/alexandrite-locality-sri-lanka-western-province-horana.html
174. Ceylon alexandrite, Balangoda: Information about Ceylon alexandrite findings and mining in Balangoda, Sri Lanka.; HTML, 29 Kb, 2008-07-31 07:35:03; /localities/alexandrite-locality-sri-lanka-ratnapura-balangoda.html
175. Russian Alexandrite, Malyshevskoye: Information about Russian alexandrite findings and mining in Malyshevskoye, Russia.; HTML, 29 Kb, 2008-07-31 07:34:54; /localities/alexandrite-locality-russia-malyshevskoye-deposit.html
176. Russian Alexandrite, Izumrudnye Kopi: Information about Russian alexandrite findings and mining in Izumrudnye Kopi, Russia.; HTML, 29 Kb, 2008-07-31 07:34:45; /localities/alexandrite-locality-russia-tokovaya-river-izumrudnye-kopi.html
177. Burmese alexandrite, Mogok: Information about Tanzanian alexandrite findings and mining in Tunduru, Tanzania.; HTML, 29 Kb, 2008-07-31 07:34:36; /localities/alexandrite-locality-myanmar-sagaing-division-mogok.html
178. Madagascar alexandrite, Ilakaka: Information about Madagascar alexandrite findings and mining in Ilakaka, Madagascar.; HTML, 29 Kb, 2008-07-31 07:34:26; /localities/alexandrite-locality-madagascar-fianarantsoa-ilakaka.html
179. Indian alexandrite, Deobhog: Information about Indian alexandrite findings and mining in Deobhog, India.; HTML, 30 Kb, 2008-07-31 07:34:15; /localities/alexandrite-locality-india-deobhog-area-narsipatinam-araku.html
180. Brazilian alexandrite, Teafilo Otoni: Information about Brazilian alexandrite findings and mining in Novo Cruzeiro, Brazil.; HTML, 30 Kb, 2008-07-31 07:34:05; /localities/alexandrite-locality-brazil-minas-gerais-teofilo-otoni.html
181. Brazilian alexandrite, Itaitinga Mine: Information about Brazilian alexandrite findings and mining in Itabira, Brazil.; HTML, 29 Kb, 2008-07-31 07:33:56; /localities/alexandrite-locality-brazil-minas-gerais-itabira-itaitinga-mine.html
182. Brazilian alexandrite, Hematita: Information about Brazilian alexandrite findings and mining in Hematita, Brazil.; HTML, 29 Kb, 2008-07-31 07:33:47; /localities/alexandrite-locality-brazil-minas-gerais-hematita.html
183. Brazilian alexandrite, Novo Cruzeiro: Information about Brazilian alexandite findings and mining in Novo Cruzeiro, Brazil.; HTML, 29 Kb, 2008-07-31 07:33:39; /localities/alexandrite-locality-brazil-minas-gerais-aracuai-novo-cruzeiro.html
184. Brazilian alexandrite, Esmeraldas de Ferros: Information about Brazilian alexandrite findings and mining in Esmeraldas de Ferros, Brazil.; HTML, 29 Kb, 2008-07-31 07:33:30; /localities/alexandrite-locality-brazil-minas-gerais-ferros-esmeraldas-de-ferros.html
185. Brazilian alexandrite, Serra Dourada: Information about Brazilian alexandrite findings and mining in Serra Dourada, Brazil.; HTML, 32 Kb, 2008-07-31 07:33:18; /localities/alexandrite-locality-brazil-goias-minacu-serra-dourada.html
186. Brazilian alexandrite, Caraiba mine: Information about Brazilian alexandrite findings and mining in Pindobacu, Brazil.; HTML, 30 Kb, 2008-07-31 07:33:05; /localities/alexandrite-locality-brazil-bahia-pindobacu-carnaiba-mine.html
187. Brazilian alexandrite, Carnaiba Mine: Information about Brazilian alexandrite findings and mining in Pindobacu, Brazil; HTML, 30 Kb, 2008-07-31 07:32:55; /localities/alexandrite-locality-brazil-bahia-curaca-river-valley-caraiba-mine.html
188. Australian alexandrite, Dowerin: Information about Australian alexandrite findings and mining in Dowerin, Australia.; HTML, 30 Kb, 2008-07-31 07:32:43; /localities/alexandrite-locality-australia-western-australia-dowerin.html
189. Alexandrite World Occurrences and Mining Localities: Directory of confirmed findings and current mining localities of alexandrite, cat´s eye and chrysoberyl gemstones; HTML, 34 Kb, 2008-07-31 07:32:37; /localities/index.html
190. How can I check the color change in an alexandrite: Two kinds of light are required to observe color change; daylight and incandescent light?; HTML, 25 Kb, 2008-07-29 08:12:38; /chapters/faq/how-can-i-check-the-color-change-in-an-alexandrite.html
191. What do I need to check before purchasing alexandrite gemstone?: First and foremost, we need to look at the quality and strength of the color change. A strong change where the colors are bright and attractive under any kind of light is most desirable. Many stones are either a beautiful green in daylight or a nice pinki; HTML, 26 Kb, 2008-07-29 08:12:28; /chapters/faq/what-do-i-need-to-check-before-purchasing-alexandrite-gemstone.html
192. Where can I test and appraise my alexandrite?: The most well known gemological laboratories are listed below and all of them are equipped to test alexandrite. Most gemological laboratories only identify gemstones, they do not appraise them.; HTML, 28 Kb, 2008-07-29 08:12:19; /chapters/faq/where-can-i-test-and-appraise-my-alexandrite.html
193. Is the June birthstone pearl or alexandrite?: Various birthstone lists have been used in different cultures for thousands of years.; HTML, 25 Kb, 2008-07-29 08:12:12; /chapters/faq/is-the-june-birthstone-pearl-or-alexandrite.html
194. Where can I buy natural alexandrite gemstones?: Fine alexandrites or alexandrite jewelry can be purchased from jewelers specializing in colored gemstones, at trade shows, from TV sellers, at high end jewelry auctions, or online from websites specialized in alexandrite. You would be unlikely to find a h; HTML, 25 Kb, 2008-07-29 08:12:01; /chapters/faq/where-can-i-buy-natural-alexandrite-gemstones.html
195. What is the best way to clean and take care of alexandrites?: With a hardness of 8.5, Alexandrite is a tough, hard, and durable gemstone that doesn't require any special attention. Still, even the hardest gemstones can shatter with a single well-placed blow so caution is always a good idea. Washing dishes with your; HTML, 25 Kb, 2008-07-29 08:11:53; /chapters/faq/what-is-the-best-way-to-clean-and-take-care-of-alexandrites.html
196. Where do the best alexandrite gemstones come from?: Although Russian alexandrites have the most historical value, fine stones are occasionally available from deposits in Brazil, India, Tanzania, Madagascar, and Sri Lanka. Unfortunately, there has been little production of alexandrites from any deposit in r; HTML, 26 Kb, 2008-07-29 08:11:44; /chapters/faq/where-do-the-best-alexandrite-gemstones-come-from.html
197. I have an alexandrite ring that my parents purchased in the 50s, what are the chances the stone is a genuine natural alexandrite?: It is very unlikely that even an old alexandrite ring could contain a natural alexandrite. Natural alexandrites, especially large clean stones are extremely rare and almost never available at any price. Most old inherited alexandrite rings are actually sy; HTML, 27 Kb, 2008-07-29 08:11:37; /chapters/faq/what-are-the-chances-an-alexandrite-purchased-in-the-50s-is-natural.html
198. How can I spot the difference between a natural and a synthetic alexandrite?: HTML, 26 Kb, 2008-07-29 08:11:26; /chapters/faq/how-can-i-spot-the-difference-between-a-natural-and-a-synthetic-alexandrite.html
199. Are there any ways to improve alexandrite colors by any special treatment like heating?: Alexandrite cannot be improved by any kind of thermal treatment. Although some have tried, heat treatment does not seem to affect alexandrite at all. Some lower quality cracked alexandrites are oiled to hide the cracks but beyond that, alexandrite is not; HTML, 24 Kb, 2008-07-29 08:11:21; /chapters/faq/are-there-any-ways-to-improve-alexandrite-colors-by-any-special-treatment-like-heating.html
200. Why is natural alexandrite better than synthetic alexandrite?: Natural alexandrite is not better than synthetic alexandrite but natural alexandrite is very rare and uncommon in modern jewelry because it is hardly ever available and because it is too expensive for the general public to buy. Even lower quality more inc; HTML, 26 Kb, 2008-07-29 08:11:15; /chapters/faq/why-is-natural-alexandrite-better-than-synthetic-alexandrite.html
201. Is alexandrite the most expensive gemstone in the world?: Along with diamonds, rubies, and emeralds, top quality alexandrites are among the most expensive gemstones in the world. In larger sizes over 4.00 or 5.00cts., Burmese rubies are more rare and expensive than alexandrites but in sizes below 1.00cts., alexa; HTML, 26 Kb, 2008-07-29 08:11:10; /chapters/faq/is-alexandrite-the-most-expensive-gemstone-in-the-world.html
202. How much will a typical one carat alexandrite gemstone cost?: The retail replacement cost for a 1ct. alexandrite could be anywhere between $500 to $12,000 per carat. The intensity of the color change and the attractiveness of the colors are the most important factors in determining the value of an alexandrite. With; HTML, 25 Kb, 2008-07-29 08:11:03; /chapters/faq/how-much-will-a-typical-one-carat-alexandrite-gemstone-cost.html
203. What are the most common colors of alexandrite?: Unfortunately, most alexandrites show either a nice color in daylight or an attractive color under incandescent light. Rarely are both colors bright and vivid and often stones that change to bright red under incandescent light are only brown or almost bla; HTML, 26 Kb, 2008-07-29 08:10:53; /chapters/faq/what-are-the-most-common-colors-of-alexandrite.html
204. Why does alexandrite appear to change color in sunlight and artificial light?: Alexandrite is a trichroic gemstone which absorbs and reflects light differently in each of its three optical directions. Spectroscopic analysis reveals a different absorption spectrum for each of the three optical directions. The differences in absorptio; HTML, 26 Kb, 2008-07-29 08:10:46; /chapters/faq/why-does-alexandrite-appear-to-change-color-in-sunlight-and-artificial-light.html
205. Are there any other gemstones which change color?: Several other well known gemstones, including diaspore, sapphire, garnet and spinel may also change color as a function of the light source but the color change of top alexandrites is distinctive and attractive under any light conditions.; HTML, 26 Kb, 2008-07-29 08:10:37; /chapters/faq/are-there-any-other-gemstones-which-change-color.html
206. What causes the cat's-eye effect in chrysoberyl?: The cat's-eye effect is caused by the reflection of light off of minute, parallel, needle-like rutile crystals or hollow tubes within the stone. Cat's eye inclusions are aligned parallel to the crystallographic axis and the stones are always cut as caboch; HTML, 25 Kb, 2008-07-29 08:10:30; /chapters/faq/what-causes-the-cat-s-eye-effect-in-chrysoberyl.html
207. What is the difference between cat's eye and alexandrite?: Cat's eye is the popular name for an optical effect known as chatoyancy in the gemological nomenclature. Microscopic needle-like inclusions inside the stone reflect a streak of light that appears to open and close as the stone is rotated -- hence the eye; HTML, 26 Kb, 2008-07-29 08:10:22; /chapters/faq/what-is-the-difference-between-cat-s-eye-and-alexandrite.html
208. What is the difference between chrysoberyl and alexandrite?: Chrysoberyl is the species name and Alexandrite is the variety name. Alexandrite is that variety of chrysoberyl that changes color as a function of the light source; green in daylight and red under incandescent light.; HTML, 25 Kb, 2008-07-29 08:10:13; /chapters/faq/what-is-the-difference-between-chrysoberyl-and-alexandrite.html
209. What makes natural alexandrite so expensive?: Alexandrite is an expensive gemstone because it so rare and production has always been limited. For years, the only source for alexandrite was Russia. In the last 20 or 30 years several new discoveries of alexandrite have been reported but production of s; HTML, 25 Kb, 2008-07-29 08:10:06; /chapters/faq/what-makes-natural-alexandrite-so-expensive.html
210. Is there a difference between Russian and Brazilian Alexandrite gemstones?: The mining of alexandrite in Russia lasted less than 100 years from the time it was discovered in 1833 to the early 1900’s. It was George Kunz, the gemologist/gemstone buyer for Tiffany & Co that probably did the most to popularize this unique gemst; HTML, 27 Kb, 2008-07-29 08:09:57; /chapters/faq/is-there-a-difference-between-russian-and-brazilian-alexandrite-gemstones.html
211. A Bibliography of Alexandrite Gemstone Buyer and Collector's Guide: An annotated bibliography of Alexandrite Gemstone Buyer and Collector's Guide; HTML, 59 Kb, 2008-07-20 13:08:19; /chapters/bibliography.html
212. Zoning: The straight, parallel growth-lines in the internal structure of a gemstone with definite angles, usually seen in some stones, which occur by slightly variation in the chemical composition within the crystal due to separation or interruptions of the cryst; HTML, 24 Kb, 2008-07-20 13:08:17; /chapters/glossary/zoning.html
213. Zone of crystal faces: In crystallography a characteristic feature of a serie faces of a crystal where those intersection lines with each other are all parallel.; HTML, 23 Kb, 2008-07-20 13:08:16; /chapters/glossary/zone-of-crystal-faces.html
214. Zone axis: A line runs through the center of a crystal, to which all faces of a given zone are parallel.; HTML, 23 Kb, 2008-07-20 13:08:13; /chapters/glossary/zone-axis.html
215. Zone: A group of crystal faced intersection, which are parallel to a common line.; HTML, 23 Kb, 2008-07-20 13:08:12; /chapters/glossary/zone.html
216. Zonary growth: Zonary growing of crystals bounded by plane crystal faces, which occur by slight variation in the composition of a crystal due to separation or interruptions of the crystal phases during growth.; HTML, 24 Kb, 2008-07-20 13:08:10; /chapters/glossary/zonary-growth.html
217. Yttrium: A dark gray, silvery luster, rare earth metallic element of the Periodic System with the symbol Y. Flammable when powder from. Used in alloys and as a metal deoxidizer.; HTML, 23 Kb, 2008-07-20 13:08:06; /chapters/glossary/yttrium.html
218. Young-Helmholtz theory of color vision: The theory that the eye contains three different groups of retinal fibers (cones) with maximum response to three primary colors to red-yellow, green, and blue violet, which are parts of the spectrum.; HTML, 24 Kb, 2008-07-20 13:08:04; /chapters/glossary/young-helmholtz-theory-of-color-vision.html
219. Yellow chrysoberyl: Yellow greenish to light yellow or brown chrysoberyl, which contains ferric iron as an impurity. Has an absorption spectrum band at first part of the violet at 444 nm, which can be seen in some chrysoberyl cat's-eye.; HTML, 24 Kb, 2008-07-20 13:08:02; /chapters/glossary/yellow-chrysoberyl.html
220. Yehuda treatment: A colorless glass-like material used as an impregnation or filling agent to improve the appearance and reduce the visibility of inclusions in stones such as diamonds and emeralds.; HTML, 24 Kb, 2008-07-20 13:08:01; /chapters/glossary/yehuda-treatment.html
221. Y-axis: One of the 3 optic axes and intermediate axis in biaxial crystal.; HTML, 23 Kb, 2008-07-20 13:07:59; /chapters/glossary/y-axis.html
222. X-ray spectrum: Several characteristic lines of the spectrum of X-ray, which are emitted by a bombardment of material with electrons such as curved dark lines on the films produced by X-ray method of powder diffraction of stone or minerals.; HTML, 24 Kb, 2008-07-20 13:07:55; /chapters/glossary/x-ray-spectrum.html
223. X-ray fluorescence: If a crystal is irradiated by an intense X-ray or gamma-ray beam, this includes the substance to emit its visible characteristic secondary X-ray line spectra of a longer wavelength, which is known as X-ray fluorescence. It is a nondestructive method. Used; HTML, 24 Kb, 2008-07-20 13:07:53; /chapters/glossary/x-ray-fluorescence.html
224. X-ray filters: To generate monochromatic X-rays or line spectrums only one wavelength used is a suitable selective filter made of very thin layers of metal elements. There have one or two atomic numbers lower than the target metal such as nickel with atomic number 28 us; HTML, 24 Kb, 2008-07-20 13:07:52; /chapters/glossary/x-ray-filters.html
225. X-ray crystal spectrometer: A device to obtain an X-ray spectrum for determining the wavelength of its chemical consistent. Each element, when irradiated by electrons, emits X-ray of several characteristic frequencies the line spectrum depending on the atomic number.; HTML, 24 Kb, 2008-07-20 13:07:50; /chapters/glossary/x-ray-crystal-spectrometer.html
226. X-ray: The produced wavelengths of X-rays according to the electromagnetic theory of light consisting of continuous band of wavelengths, which are a mixture of all wavelengths. Depends on the used voltage of apparatus, which is know as white X-ray radiation or g; HTML, 24 Kb, 2008-07-20 13:07:48; /chapters/glossary/x-ray.html
227. Weight of gemstones and precious metals: A standard mass. The unit of weight of gemstones since 1913, is the international metric carat or decimally of them in points.; HTML, 23 Kb, 2008-07-20 13:07:44; /chapters/glossary/weight-of-gemstones-and-precious-metals.html
228. Weathering: A natural geological description for disintegration and decomposition of rocks and minerals as consequent exposure to atmospheric agents at or near the Earth's surface such as chemical action of air, rainwater, frost, insolation, bacteria, plants, and mec; HTML, 24 Kb, 2008-07-20 13:07:43; /chapters/glossary/weathering.html
229. Wavelength: The distance between two points having the same phase on the following or preceding wave. The wavelength of electromagnetic radiation is equal to the velocity of the wave divided by its frequency =c/v. It is measured in nanometers unit.; HTML, 24 Kb, 2008-07-20 13:07:41; /chapters/glossary/wavelength.html
230. Wave form of light: The pictorial graphical representation of the shape of a wave obtained by plotting the values of the periodic quantity against the time.; HTML, 23 Kb, 2008-07-20 13:07:39; /chapters/glossary/wave-form-of-light.html
231. Water of crystallization: Water molecules, which have been chemically combined in certain crystals or hydrated salts, which are given off when the crystals are heated.; HTML, 23 Kb, 2008-07-20 13:07:37; /chapters/glossary/water-of-crystallization.html
232. Volcanic rock: Generally a fine crystalline or glassy igneous rock, which is formed by the solidification of molten magma or lava on the Earth's surface during volcanic action. Such as basalt, obsidian, etc.; HTML, 24 Kb, 2008-07-20 13:07:32; /chapters/glossary/volcanic-rock.html
233. Volcanic glass: A solid volcanic natural form of glass (rock) produced by sudden cooling and solidification of viscous lava before crystallization can take place, such as obsidian, pitchstone or other glassy masses. Obsidian is used for tumbled gems, ornamental objects,; HTML, 24 Kb, 2008-07-20 13:07:30; /chapters/glossary/volcanic-glass.html
234. Vanadium: A very hard, light-gray, ductile, malleable, metallic element of the group V of the Periodic System with the symbol V. It is one of the 8 pigment metals responsible for color in gemstones such as beryl, sapphire (natural or synthetic). Used as a component; HTML, 24 Kb, 2008-07-20 13:07:28; /chapters/glossary/vanadium.html
235. Vacuum fluorescence display: A miniature cathode ray tube (CRT), which is closet to cover glass and heated cathode made of tungsten wire emits electrons. The electrons are accelerated by positively charged by hexagonal steel and passing through the grid to anodes covered with blue fl; HTML, 24 Kb, 2008-07-20 13:07:26; /chapters/glossary/vacuum-fluorescence-display.html
236. Ultraviolet microscope: A special magnifying device for investigating the objects are illuminated by ultraviolet light in the range 180 to 400 nm. The resolving power is increased corresponding to the resolution of shorter wavelengths than visible light. It requires special quar; HTML, 24 Kb, 2008-07-20 13:07:22; /chapters/glossary/ultraviolet-microscope.html
237. Ultraviolet lamp: A mercury discharched lamp in quartz glass designed to produce ultraviolet light for exciting luminescence in gem minerals specially diamonds. The long-wave lamp is provided with wood's glass filter to emit wavelengths between 400 nm and 300 nm. To obtain; HTML, 24 Kb, 2008-07-20 13:07:20; /chapters/glossary/ultraviolet-lamp.html
238. Ultrasonic cleaning: A device for cleaning dirt and other foreign particles from gemstones and jewelry articles by subjecting them to ultrasonic vibrations immersed in water or other solvent. The articles must be free of stress flaws. Glass lenses and other bodies can be poli; HTML, 24 Kb, 2008-07-20 13:07:17; /chapters/glossary/ultrasonic-cleaning.html
239. Ultramafic: A type of igneous rock characterized by a high content of mafic minerals, particularly olivine, pyroxenes, amphiboles, etc. The silica content is less than 45%.; HTML, 23 Kb, 2008-07-20 13:07:15; /chapters/glossary/ultramafic.html
240. Transparent: A gemstone permits the pass of electromagnetic radiation through it without distortion so that the object can be seen clearly and distinctive through it, such a quartz crystal. It is a see through effects.; HTML, 24 Kb, 2008-07-20 13:07:09; /chapters/glossary/transparent.html
241. Thermolumnescence: A variety of luminescence where certain rocks of minerals showing the property due to application of heat or infrared. Some diamonds exhibits blue thermoluminescence, when heated to about 200 C. Thermoluminescence emitted when the color traps are disappea; HTML, 24 Kb, 2008-07-20 13:07:05; /chapters/glossary/thermolumnescence.html
242. Thermochroism: The science of high temperature of one subject to change its color, because by increasing of temperature expands the bond length of lattice, reduced the ligand field. A red compound of 10% Cr2O3 and 90% Al2O3 by increasing the temperature to over 400 C th; HTML, 25 Kb, 2008-07-20 13:07:03; /chapters/glossary/thermochroism.html
243. Synthetic alexandrite: A misleading term for synthetic spinel or corundum (sapphire), which is able to change color like alexandrite reddish-green in daylight and reddish at artificially light, such stones were at first misnomered as scientific alexandrite. Synthetic sapphire; HTML, 24 Kb, 2008-07-20 13:07:00; /chapters/glossary/synthetic-alexandrite.html
244. Synthetic: Artificially made substance that has the same appearance, physical properties and chemical compound as its natural counterpart mineral. Some synthetic stones have no counterpart in nature they are synthetic gemstones except if they used as an imitation fo; HTML, 25 Kb, 2008-07-20 13:06:58; /chapters/glossary/synthetic.html
245. Spinel: An isomorphous mineral of spinel group. A wide range of colors and shade of gemstone. Red-orange is named as flame spinel, an iron-rich dark-green to black, which is known as green spinel, pleonaste or ceylonite, grass-green as chlorospinel (iron-rich), b; HTML, 26 Kb, 2008-07-20 13:06:56; /chapters/glossary/spinel.html
246. Spectrum: Any array of electromagnetic visible light ordered according to its constituent wavelengths or colors, when the white light is dispersed by a prism or diffraction grating, ranging from about 750 to about 400 nm. The spectra can obtained by means of spectr; HTML, 27 Kb, 2008-07-20 13:06:54; /chapters/glossary/spectrum.html
247. Spectroscope: A small hand optical device for obtaining and visually observing spectrum, in which collimated light passes through a narrow slit onto either a prism or diffraction grating, its spectrum being viewed by a lens system or telescope. The angle between the c; HTML, 24 Kb, 2008-07-20 13:06:53; /chapters/glossary/spectroscope.html
248. Specific gravity: The ratio of the weight of any substance to that of pure water at temperature of 3.98 C (39.2 F) degree and standard atmospheric pressure. Specific gravity of gems and minerals are determined by means by hydrostatic weighing method.; HTML, 24 Kb, 2008-07-20 13:06:51; /chapters/glossary/specific-gravity.html
249. Simulant: To simulate or imitate a natural gemstone, which is made from components that are easier, cheaper or more convenient to manufacture. Simulated stone having superficial appearance to the true stone but differs from it either in chemical composition, struct; HTML, 24 Kb, 2008-07-20 13:06:49; /chapters/glossary/simulant.html
250. Silica: Dioxide of silicon (SiO2), which appeared in five crystalline polymorphous such as quartz (alpha and beta), tridymite, cristobalite, coesite, and stichovite, in cryptocrystalline such as chalcedony and chert, and in amorphous such as opal (a hydrated sili; HTML, 25 Kb, 2008-07-20 13:06:47; /chapters/glossary/silica.html
251. Refractive index measurement: Several methods are available for the measurement of refractive indices such as refractometer for total reflection, immersion method in liquid for Beck effect, shadow method, and minimum deviation method.; HTML, 24 Kb, 2008-07-20 13:06:44; /chapters/glossary/refractive-index-measurement.html
252. Reflection: The turning back of wave from surface, on which they are incident according to the definite law of reflection. A small part of ray 17.2% of incident light striking the surface vertically is reflected from the surface (the 17.2% is upper limit of reflected; HTML, 25 Kb, 2008-07-20 13:06:42; /chapters/glossary/reflection.html
253. Ray: A narrow beam of light, which emanate from a single bright source that proceed in one direction.; HTML, 23 Kb, 2008-07-20 13:06:40; /chapters/glossary/ray.html
254. Radium fluorescence: Radium treatment of minerals such as beryl to produce a bluish-white fluorescence only on the basal planes. Under SWUV and LWUV light beryl fluoresces bluish-white.; HTML, 23 Kb, 2008-07-20 13:06:38; /chapters/glossary/radium-fluorescence.html
255. Radiation: The emission of particles or electromagnetic waves from a source such as nuclear radiation, X-rays, neutrons, gamma rays, electrons positive or negative, protons. Radiation has the effect of artificially altering color by artificially creating color cent; HTML, 24 Kb, 2008-07-20 13:06:36; /chapters/glossary/radiation.html
256. Quoin facets: The four quadrilateral facets of 8 main facets on the crown or on the pavilion of a brilliant-cut stone, which are also called bezel facets. The 4 on the crown touching the girdle with their apex and extending up to touch the table. There are four lozenge; HTML, 24 Kb, 2008-07-20 13:06:33; /chapters/glossary/quoin-facets.html
257. Quinoline: An oily colorless, specific odor, insoluble, basic heterocyclic with the formula C9H7N. Composed synthetically by heating aniline, nitrobenzene, glycerol, and sulfuric acid. Used as food preservative and in the manufacture of dyes and antiseptics. R.I. -; HTML, 24 Kb, 2008-07-20 13:06:31; /chapters/glossary/quinoline.html
258. Quench crackled synthetic corundum: An unusual feature occur in Verneuil synthetic corundum by plunging of still heated stone into a much cooler liquid (thermal shock), which create fractures and it resemble closely to natural stone. By pursuing of this process developed honeycomb pattern d; HTML, 24 Kb, 2008-07-20 13:06:29; /chapters/glossary/quench-crackled-synthetic-corundum.html
259. Quartz, cat's-eye: A variety of translucent, grayish-green to greenish yellow chatoyant quartz or chalcedony containing fine parallel fibers of asbestos or parallel channels, arranged through the stone at right angles to the eye and parallel to the base of the crystal, that; HTML, 24 Kb, 2008-07-20 13:06:27; /chapters/glossary/quartz-cat-s-eye.html
260. Quantum: Quantum of light or electromagnetic radiation, it can behave as a wave or as a particle. Traveling at the velocity of light. Photon have momentum but not mass or electrical charge. Also known as light quantum. Caused by excitation of atoms and molecules a; HTML, 25 Kb, 2008-07-20 13:06:25; /chapters/glossary/quantum.html
261. Physical properties: Physical properties of gemstones are extremely important in understanding geological phenomena in synthesizing new materials, and identification of minerals. Physical properties and chemical composition of minerals change with temperature and pressure. P; HTML, 24 Kb, 2008-07-20 13:06:22; /chapters/glossary/physical-properties.html
262. Phenomenon: A special optical occurrence, or circumstance observed or are visible in certain gemstones such as chatoyancy, asterism, or play of color, adularescence, girasol, labradorescence, opalescence, schiller, etc.; HTML, 24 Kb, 2008-07-20 13:06:20; /chapters/glossary/phenomenon.html
263. Phase: The sum of homogeneous, physically distinct portion of matter in heterogeneous system, as the three phases; solid, liquid, or gas. Each phase may exist in different temperatures and pressures.; HTML, 24 Kb, 2008-07-20 13:06:18; /chapters/glossary/phase.html
264. Perovskite: Prized by collectors. Synthetic strontium titanate or fabulite found in a similar manner to perovskite. Natural counterpart of fabulite with the same composition is called tausonite.; HTML, 23 Kb, 2008-07-20 13:06:16; /chapters/glossary/perovskite.html
265. Pegmatite: A light-colored, coarse-grained igneous rock from granite clan containing orthoclase, quartz, microline, mica, gemstones, and many ferromagnesian minerals resulting from slow solidification. Pegmatite is occurring place of many uncommon gem minerals such; HTML, 24 Kb, 2008-07-20 13:06:14; /chapters/glossary/pegmatite.html
266. Oxide: A binary composition of oxygen with metals or other elements.; HTML, 23 Kb, 2008-07-20 13:06:11; /chapters/glossary/oxide.html
267. Orientation crystal: The placing of atoms or radicals in a crystal so that they point in a definite direction, or its crystallographic axes are in the conventional position.; HTML, 23 Kb, 2008-07-20 13:06:09; /chapters/glossary/orientation-crystal.html
268. Oriental chrysoberyl: A misleading term for yellowish-green variety of sapphire.; HTML, 23 Kb, 2008-07-20 13:06:07; /chapters/glossary/oriental-chrysoberyl.html
269. Optical axis: A term used in crystallography to the direction of an anisotropic crystal along which there are no double reflection.; HTML, 23 Kb, 2008-07-20 13:06:05; /chapters/glossary/optical-axis.html
270. Opaque: Impenetrable to light. A stone is opaque, when light cannot passed through a thin-section of 0.04 mm. For example pyrite, cuprite, etc.; HTML, 23 Kb, 2008-07-20 13:06:03; /chapters/glossary/opaque.html
271. Novosibirsk synthetic alexandrite: Synthetic alexandrite made in three methods in Russia, (a) growing synthetic stones of solution-growth process or flux process specially for alexandrite, (b) Growing stone of floating-zone process. (c) Melt-grown process or so-called pulling method.; HTML, 24 Kb, 2008-07-20 13:06:00; /chapters/glossary/novosibirsk-synthetic-alexandrite.html
272. Negative reading: Testing a gemstone on a refractometer prism, when the stone has a greater refractive index than the measuring prism of the device, or higher than the refractive index of immersion liquid used for optical contact, the scale of refractometer remains dark an; HTML, 24 Kb, 2008-07-20 13:05:58; /chapters/glossary/negative-reading.html
273. Needlelike (silk): Acicular a needle form of inclusions in gemstones.; HTML, 23 Kb, 2008-07-20 13:05:56; /chapters/glossary/needlelike-silk.html
274. Natural: A mineral or substance, which occurs in nature; opposite of synthetic or man-made.; HTML, 23 Kb, 2008-07-20 13:05:53; /chapters/glossary/natural.html
275. Moh's hardness scale: The most commonly used ten standard scale of relative hardness of minerals. The scale is expressed in numbers ranging from 1 through 10: (1) talc, (2) gypsum, (3) calcite, (4) fluorite, (5) apatite, (6) orthoclase, (7) quartz, (8) topaz, (9) corundum, (10; HTML, 24 Kb, 2008-07-20 13:05:49; /chapters/glossary/moh-s-hardness-scale.html
276. Mineralogy: The scientific study of minerals; their formation, occurrence, chemical composition, physical properties, and their classification. Oryctognosy and oryctology are obsolete terms.; HTML, 23 Kb, 2008-07-20 13:05:47; /chapters/glossary/mineralogy.html
277. Mineral: A loose and inexact term that may be to define: usually homogeneous inorganic substance of definite physical properties and more or less chemical composition, which occur naturally in the earth, and usually possess a crystalline structure, which frequentl; HTML, 24 Kb, 2008-07-20 13:05:45; /chapters/glossary/mineral.html
278. Mica schist: Schist consisting largely of micas and quartz.; HTML, 23 Kb, 2008-07-20 13:05:44; /chapters/glossary/mica-schist.html
279. Metamorphic rock: Any rock, which has been derived from pre-existing rocks by mineralogical, chemical composition, textural and structural changing, essentially in the solid state due to processes operating in the earth's crust of heat or intense pressure, shearing stress,; HTML, 24 Kb, 2008-07-20 13:05:42; /chapters/glossary/metamorphic-rock.html
280. Magma: A naturally occurring molten or semi-molten material in suspension, with dissolved gases, generated within or beneath the earth's crust and capable of intrusion and extrusion. Magma, which is extruded on the surface of the earth is called lava.; HTML, 24 Kb, 2008-07-20 13:05:38; /chapters/glossary/magma.html
281. Luminescence: The emission of certain visible wavelengths of light from a substance other than thermal process, which are used as diagnostic determination of gemstones. It is caused by the emission of photons, when an exited atom within the substance returns to the gro; HTML, 25 Kb, 2008-07-20 13:05:35; /chapters/glossary/luminescence.html
282. Light absorption: In optics, the reduction of the light intensity in transmission through an absorbing substance or in reflection from a surface, in crystals, minerals and gems. Absorption may vary with wavelengths of vibration in the direction of the transmitted light or; HTML, 24 Kb, 2008-07-20 13:05:33; /chapters/glossary/light-absorption.html
283. Laser: An acronym of light amplification by stimulated emission of radiation. A device that emits UV to infra red electromagnetic energy, that is a nearly parallel, nearly monochromatic and coherent beam of light of very restricted diameter formed by causing exi; HTML, 25 Kb, 2008-07-20 13:05:31; /chapters/glossary/laser.html
284. Laminate: A rock or mineral in plate form consisting of several different layers bonded by or cemented together, which is separated or split into thin layers.; HTML, 23 Kb, 2008-07-20 13:05:27; /chapters/glossary/laminate.html
285. Kelvin temperature scale: A System International (SI) unit of thermodynamic temperature scale, commences at absolute zero, equal to 1/273.16 C degree.; HTML, 23 Kb, 2008-07-20 13:05:24; /chapters/glossary/kelvin-temperature-scale.html
286. Kashmir: Beautiful sapphire and rubies occur in various parts of Kashmir, Pakistan.; HTML, 23 Kb, 2008-07-20 13:05:22; /chapters/glossary/kashmir.html
287. Karat: In metallurgy a unit that expresses only to the purity of solid gold used in jewelry. In trade based on a scale of twenty-fourths, 24 karat means pure gold, 18 karat gold means, containing 18 parts gold to 6 parts of alloy, and 9 karat gold means, contain; HTML, 24 Kb, 2008-07-20 13:05:18; /chapters/glossary/karat.html
288. Jewels of India: Indian gem lore was from ancient times famous for its good quality and richness. There are several famous gems in other museums such as Timur Ruby, Koh-i-Nur Diamond, etc. Most famous part of Indian jewels was in possession oh Maharajah Duleep Singh.; HTML, 24 Kb, 2008-07-20 13:05:13; /chapters/glossary/jewels-of-india.html
289. Jewelry: A number of decorative articles made artistically of gold, platinum, silver, and precious stones that are worn for personal adornment, such as bracelets, rings, necklaces, etc.; HTML, 23 Kb, 2008-07-20 13:05:11; /chapters/glossary/jewelry.html
290. Jewel enamel: An enamel made of special porcelain used in jewelry as insignia and art objects.; HTML, 23 Kb, 2008-07-20 13:05:07; /chapters/glossary/jewel-enamel.html
291. Jewel: A fashioned ornament for personal adornment, which is made of noble metals mounted with natural, synthetic, or imitation gemstones.; HTML, 23 Kb, 2008-07-20 13:05:05; /chapters/glossary/jewel.html
292. Irradiation: The process of exposing certain diamond or other pale or poorly colored gemstone to radiation, such as in nuclear reactor, X-rays, neutrons from an atomic pile, deuterons a nucleus of the heavy hydrogen atom, gamma rays from a cobalt-60, electrons positiv; HTML, 25 Kb, 2008-07-20 13:05:02; /chapters/glossary/irradiation.html
293. Index of refraction: In crystal optics, a number indicating the speed of the velocity of light in a vacuum or air to its velocity in a given crystal. The refractive index (RI) of a crystal can be expressed as ratio of the sine of the angle of incidence to the sine of the angl; HTML, 25 Kb, 2008-07-20 13:05:00; /chapters/glossary/index-of-refraction.html
294. Inclusions: A general name for any small visible foreign matter such as gas, liquid, glass, or mineral enclosed within a gemstone or rock, which is a growth phenomena. Fracture or cleavage in a gemstone are not classed as inclusions. The nature of inclusions are used; HTML, 26 Kb, 2008-07-20 13:04:58; /chapters/glossary/inclusions.html
295. Inclusion in chrysoberyl: The chrysoberyl crystal is penetrated by microscopic tubes, two-phase or relatively short needles parallel to the vertical or c-axis of the crystal, suitable for cut en cabochon. In brown and yellow varieties can be seen. The so-called stepped twin planes; HTML, 24 Kb, 2008-07-20 13:04:56; /chapters/glossary/inclusion-in-chrysoberyl.html
296. Incandescence: The emission of light by a substance due to high temperatures: white or bright-red heat. When objects such as iron placed in fire it become dull red by 700 C degree. From 700 C degree to 1500 C degree, the color shifted from red to orange and definitely y; HTML, 25 Kb, 2008-07-20 13:04:54; /chapters/glossary/incandescence.html
297. Inamori synthetic pulled alexandrite: A promotion term for synthetic alexandrite or alexandrite cat's-eye made by Kyocera company, Japan.; HTML, 23 Kb, 2008-07-20 13:04:52; /chapters/glossary/inamori-synthetic-pulled-alexandrite.html
298. Imitation: To result something of a genuine article or natural gemstone or simulate it from any material that imitate by its color, the appearance of a natural gemstone. Imitation gemstone having wholly different physical properties and chemical composition, and hen; HTML, 25 Kb, 2008-07-20 13:04:51; /chapters/glossary/imitation.html
299. Hue: The characteristic color that is determined by its wavelength as red, green, blue, purple, yellow, etc., and excludes white, black, and shades of gray in reference to the visible spectrum of light.; HTML, 24 Kb, 2008-07-20 13:04:47; /chapters/glossary/hue.html
300. Host crystal: A crystal or mineral that contains the inclusions of smaller crystals of different minerals or may be is the same as host mineral.; HTML, 23 Kb, 2008-07-20 13:04:45; /chapters/glossary/host-crystal.html
301. Heavy minerals: Minerals having a high specific gravity, which are separated in the laboratory from light minerals by use of heavy liquid, such as bromoform. Generally grains heavier than bromoform constitute the heavy minerals.; HTML, 24 Kb, 2008-07-20 13:04:43; /chapters/glossary/heavy-minerals.html
302. Heated stone: Any gemstone that has been heated to change its color or improve the color, such as blue zircon, hyacinth, burnt amethyst, white chalcedony, smoky quartz and many aquamarines.; HTML, 23 Kb, 2008-07-20 13:04:42; /chapters/glossary/heated-stone.html
303. Hardness: The quality of resistance or property of minerals, gemstones, etc., which is determined by reference to an empirical scale of standard of minerals. Hardness is the resistance of a mineral offered to abrasion or scratching (scelerometric). The absolute har; HTML, 25 Kb, 2008-07-20 13:04:40; /chapters/glossary/hardness.html
304. GIA Gem Trade Laboratory: A subsidiary company of the Gemological Institute of America Enterprises, which provides professional grading and identification for the diamond and colored stone industries.; HTML, 24 Kb, 2008-07-20 13:04:36; /chapters/glossary/gia-gem-trade-laboratory.html
305. General form: In each crystal class there is a form, in which the faces, of which intersect all of the crystallographic axes at different lengths with the symbol {hkl}. In the orthorhombic, monoclinic, and triclinic crystal system {111} is a general form. All other for; HTML, 24 Kb, 2008-07-20 13:04:34; /chapters/glossary/general-form.html
306. Gemstone cuts: Any forms or styles used in the fashioning of gemstones such as antique cut, brilliant cut, emerald cut, baguette, cabochon, rose cut, etc.; HTML, 23 Kb, 2008-07-20 13:04:32; /chapters/glossary/gemstone-cuts.html
307. Gemstone: Any rough mineral or other material natural or synthetic, which possesses the necessary attractiveness, brilliance, beauty, rarity, color dispersion, refraction, color or colorless, flawless, portability, fashionably, and durability for use in gem industr; HTML, 25 Kb, 2008-07-20 13:04:30; /chapters/glossary/gemstone.html
308. Garnets: An isomorphous group of minerals with general formula 8[A3B2(SiO4)3]. Cubic system. Mainly dodecahedral or tetragonal trioctahedral crystals. Vitreous to resinous luster. No cleavage. Conchoidal to uneven fracture. Brittle to tough. Garnets are divided in; HTML, 24 Kb, 2008-07-20 13:04:29; /chapters/glossary/garnets.html
309. Flux-grown synthetic alexandrite: Synthetic alexandrite crystals are made by flux-fusion method by annexing Fe, and Cr manufactured in USA and Japan.; HTML, 23 Kb, 2008-07-20 13:04:25; /chapters/glossary/flux-grown-synthetic-alexandrite.html
310. Flux-fusion method: This is a technique used to make certain synthetic gemstones such as emerald, ruby, spinel, quartz, Alexandrite, YAG, etc., man-made crystals growing in a high melting solvent or flux. The material or composition of desired synthetic crystal (beryllium an; HTML, 24 Kb, 2008-07-20 13:04:23; /chapters/glossary/flux-fusion-method.html
311. Flux inclusions: Inclusions, which are produce by hydrothermal synthetic emeralds by presence of wispy or veillike groups, manufactured by Chatham, Gilson, and Zerfass. That is an unmistakable characteristic of flux-fusion or flux-melt method.; HTML, 24 Kb, 2008-07-20 13:04:21; /chapters/glossary/flux-inclusions.html
312. Fluorescence: A variety of luminescence. Certain materials display an effect of producing visible electromagnetic light, when irradiated by ultraviolet light, cathode ray or X-rays, or other forms of radiation of an appropriate wavelength. The emitted light has another; HTML, 24 Kb, 2008-07-20 13:04:19; /chapters/glossary/fluorescence.html
313. Facet: A term applied to a polished plane-geometrical surface of a cut diamond or other gemstone of various shapes and sizes. In French spelled facette.; HTML, 23 Kb, 2008-07-20 13:04:18; /chapters/glossary/facet.html
314. Eyepiece: Any lens or combination of lenses acting virtually as a magnifying lens in a microscope nearest the eye of the observer. Also called ocular, or ocular lens.; HTML, 23 Kb, 2008-07-20 13:04:14; /chapters/glossary/eyepiece.html
315. Eye perfect: Undesirable term that means no internal flaws that is visible to the unaided eye of a diamond-clarity grader.; HTML, 23 Kb, 2008-07-20 13:04:12; /chapters/glossary/eye-perfect.html
316. Electronic colorimeter: An instrument to measure the color of brilliants.; HTML, 23 Kb, 2008-07-20 13:04:10; /chapters/glossary/electronic-colorimeter.html
317. Electron microscope: A powerful optical instrument, which uses a stream of electrons or X-ray radiation instead of light focused by electron lenses to throw shadows of opaque object on a fluorescent viewing screen or photographic plate in a manner similar to that, in which a; HTML, 24 Kb, 2008-07-20 13:04:07; /chapters/glossary/electron-microscope.html
318. Durability: The degree of ability of a gemstone to withstand the effects of abrasion, scratching, impact, and chemical action, etc. The durability of a gemstone depends on chemical composition and both of its hardness and toughness. A mineral may be quite tough but r; HTML, 24 Kb, 2008-07-20 13:04:03; /chapters/glossary/durability.html
319. Dolomite: A common rock-forming rhombohedral mineral from carbonate group, which is used for large objects. It is prized by collectors. Massive variety misnomerly known as dolomite marble. Banded material in red, yellow, green brown, and white from north America is; HTML, 24 Kb, 2008-07-20 13:04:01; /chapters/glossary/dolomite.html
320. Diamond: An isometric mineral, representing a naturally occurring crystalline form of pure carbon polymorphous with graphite, chaoite, and lonsdaleite and being the hardest substance known. Found in volcanic neck, volcanic pipe, and alluvial deposits. Cut into var; HTML, 25 Kb, 2008-07-20 13:04:00; /chapters/glossary/diamond.html
321. Density: The weight (mass) of a substance per unit volume at a stated temperature, measured in kilograms per cubic meter, Kg/m3 or gm/cm3. The comparison of the weight of a given space of a gemstone with the weight of a similar space of another gem.; HTML, 24 Kb, 2008-07-20 13:03:58; /chapters/glossary/density.html
322. Czochralski technique: A method of growing synthetic crystal by high-melting point devised by Czochralski and is named as Czochralski pulling technique. Where a seed crystal is gently lowered until it is in contrast with pure melt in the crucible and it is then pulled slowly up; HTML, 24 Kb, 2008-07-20 13:03:52; /chapters/glossary/czochralski-technique.html
323. Cymophane: The term is applied specially to a variety of chrysoberyl exhibiting a girasol or chatoyant effect, when cut en cabochon.; HTML, 23 Kb, 2008-07-20 13:03:49; /chapters/glossary/cymophane.html
324. Crystal structure formation: The regular, orderly, periodic or repeated arrangement of atoms, molecules, or ions in a crystal.; HTML, 23 Kb, 2008-07-20 13:03:45; /chapters/glossary/crystal-structure-formation.html
325. Crystal: A regular polyhedral solid form of a definite internal atomic structure, bounded by natural plane surfaces. This definite arrangement directly influences the physical and optical properties. Crystals are classified into seven systems according to the symm; HTML, 24 Kb, 2008-07-20 13:03:43; /chapters/glossary/crystal.html
326. Corundum: An aluminum oxide, it occurs as shapeless grains and masses (emery), rhombohedral crystals. Ruby contains traces of chromium oxide, when red and Fe2O3, which modified the color. The color of sapphire results from a combination of titanium and iron oxides,; HTML, 28 Kb, 2008-07-20 13:03:41; /chapters/glossary/corundum.html
327. Color change: There are four major methods of changing the colors of gemstones. These are surface painting or foiling the back, oiling, coating, impregnating, staining of porous stones, heat treatment, and irradiation by particles of atomic size and X-rays. The color c; HTML, 26 Kb, 2008-07-20 13:03:40; /chapters/glossary/color-change.html
328. Clarity grading: The classification of fashioned gemstones or diamonds according to their clarity using the standard nomenclature of terms: flawless, pure, clean, perfect (for top grade). VVS (very very slightly included), VS (very slightly included), SI (slightly include; HTML, 24 Kb, 2008-07-20 13:03:38; /chapters/glossary/clarity-grading.html
329. Chrysoberyl: A hard, important gem mineral, of which alexandrite and cymophane are two varieties. Occasionally a greenish chatoyancy can be seen which was formerly known as cymophane, but is now called chrysoberyl cat's eye, or oriental cat's eye, when cut en cabochon; HTML, 26 Kb, 2008-07-20 13:03:36; /chapters/glossary/chrysoberyl.html
330. Chromium: A grayish-white, hard, brittle, non-corrosive metallic element in the Group VIB of the Periodic System, obtained from chromite. One of the eight metallic elements, mainly responsible for green or red color in very important gem minerals such as emerald, r; HTML, 24 Kb, 2008-07-20 13:03:34; /chapters/glossary/chromium.html
331. Chemical composition: The weight of elements or component parts, in percentage in a rock.; HTML, 23 Kb, 2008-07-20 13:03:32; /chapters/glossary/chemical-composition.html
332. Chatoyancy: An optical effect, possessed by certain translucent gemstones in reflecting light, in which a movable, wavy or silky sheen is concentrated in a narrow band of white light that changes its position, when the gem is turned. This is a characterized of cat's; HTML, 26 Kb, 2008-07-20 13:03:30; /chapters/glossary/chatoyancy.html
333. Carat: A unit employed in weighing diamonds, pearls, and other gemstones, which formerly ranged from 185.5 to 205.3 milligrams. Now the International metric carat is equal to 0.2 gram, or 200 milligrams and this is the standard in a majority of countries. Abbrev; HTML, 25 Kb, 2008-07-20 13:03:29; /chapters/glossary/carat.html
334. Cabochon: An unfaceted, highly polished, cut gemstone, in which the top of the gem forms a dome-shaped or curved, convex surface. The base may be flat, convex or concave. The girdle outline may be round, oval, square, triangular, polygonal, or any other fancy shape; HTML, 25 Kb, 2008-07-20 13:03:27; /chapters/glossary/cabochon.html
335. Brazilian cat's eye: Chrysoberyl cat's eye from various gem-bearing districts of Minas-Gerais, Brazil.; HTML, 23 Kb, 2008-07-20 13:03:22; /chapters/glossary/brazilian-cat-s-eye.html
336. Blue Alexandrite: A misleading term for alexandrite-like sapphire.; HTML, 23 Kb, 2008-07-20 13:03:20; /chapters/glossary/blue-alexandrite.html
337. Birthstone: A gemstone that has been associated, by superstitions and religious tradition as appropriate to the time or month of one's birth. There are also birthstones for days, hours, signs of the zodiac, and seasons. Also called natal-stone.; HTML, 24 Kb, 2008-07-20 13:03:18; /chapters/glossary/birthstone.html
338. Beryllium: A steely, uncorrodible, white metallic element, in the group II of the Periodic System, with the chemical symbol Be. Used as an alloy.; HTML, 23 Kb, 2008-07-20 13:03:16; /chapters/glossary/beryllium.html
339. Beryl: A transparent to semitransparent, cyclo-silicate mineral species. Varieties of beryl are emerald, aquamarine, heliodor or golden beryl, bixbite, goshenite, maxixe, and morganite. Rare spelling: berylline. Sometimes showing chatoyancy and exhibiting star e; HTML, 24 Kb, 2008-07-20 13:03:14; /chapters/glossary/beryl.html
340. American Gem Society: A non-profit professional organization of jewelers funded by Robert Shipley in 1934.; HTML, 23 Kb, 2008-07-20 13:03:11; /chapters/glossary/american-gem-society.html
341. Alexandrium: An artificial gem comprised of lithium aluminum silicate and made in a variety of colors. Neodymium as a coloring agents yields pink lavender colors. A vivid, laser blue variety blue is colored by copper.; HTML, 24 Kb, 2008-07-20 13:03:07; /chapters/glossary/alexandrium.html
342. Alexandrite-like synthetics: Suitably-colored, synthetic sapphire and spinel, used to imitate alexandrite.; HTML, 23 Kb, 2008-07-20 13:03:05; /chapters/glossary/alexandrite-like-synthetics.html
343. Alexandrite twinning: Commonly twinned pseudohexagonal, as trillings, cyclic twin or flowers exist in some Russian alexandrite.; HTML, 23 Kb, 2008-07-20 13:03:03; /chapters/glossary/alexandrite-twinning.html
344. Alexandrite inclusions: Needles of actinolite and goethite, mica, apatite, quartz, displaying two or three phases of inclusions.; HTML, 23 Kb, 2008-07-20 13:03:02; /chapters/glossary/alexandrite-inclusions.html
345. Alexandrite garnet: A misleading term for a garnet, which display color change.; HTML, 23 Kb, 2008-07-20 13:03:00; /chapters/glossary/alexandrite-garnet.html
346. Alexandrite doublet: A misleading term for both suitably colored synthetic sapphire and spinel, which are used to create alexandrite doublet.; HTML, 23 Kb, 2008-07-20 13:02:58; /chapters/glossary/alexandrite-doublet.html
347. Alexandrite cat's eye: A chatoyant variety of alexandrite, with parallel inclusions. Cut en cabochon, it has a light cat's-eye effects.; HTML, 23 Kb, 2008-07-20 13:02:56; /chapters/glossary/alexandrite-cat-s-eye.html
348. Alexandrite: Named after Russian Tsar Alexander II. A highly dichroic, rare variety of chrysoberyl. Emerald green in natural daylight, reddish in violet by artificial light, due to its unusual absorption properties. One of the hardest and most important gemstones. A f; HTML, 25 Kb, 2008-07-20 13:02:54; /chapters/glossary/alexandrite.html
349. Alexandrine: A misleading term for synthetic alexandrite-like sapphire, which changes color. Also called synthetic alexandrite.; HTML, 23 Kb, 2008-07-20 13:02:52; /chapters/glossary/alexandrine.html
350. Glossary of Terms for Alexandrite Gemstone Buyer and Collector's Guide: Glossary of terms that have been discussed or mentioned at Alexandrite gemstone buyer and collectors guide; HTML, 38 Kb, 2008-07-20 13:02:49; /chapters/glossary/index.html
351. Chronological History of Alexandrite: Chronological history timeline, depicting the history of the alexandrite gemstone and it’s roots; HTML, 33 Kb, 2008-07-20 13:02:08; /chapters/chronology-on-the-history-of-alexandrite.html
352. Alexandrite Buyer's Guide: Comprehensive guide for buying and evaluating alexandrite gemstones; HTML, 77 Kb, 2008-07-20 13:02:02; /chapters/chapter9/index.html
353. Alexandrite Myths, Legends and Lore: Collection of myths, legends and lore surrounding the alexandrite gemstone; HTML, 50 Kb, 2008-07-20 13:01:57; /chapters/chapter8/index.html
354. The Alexandrite Laser: Synthetic alexandrite predominantly used as a laser and was initially developed for military and government applications; HTML, 41 Kb, 2008-07-20 13:01:54; /chapters/chapter7/the-alexandrite-laser.html
355. Synthetic gemstone growth techniques: Information about melt, solution growth and vapour deposition techniques used for synthetic gemstones manufacturing; HTML, 38 Kb, 2008-07-20 13:01:50; /chapters/chapter7/synthetic-gemstone-growth-techniques.html
356. Methods of Producing Synthetic Alexandrite: Information about melt and flux techniques used for the synthetic alexandrite manufacturing; HTML, 41 Kb, 2008-07-20 13:01:46; /chapters/chapter7/methods-of-producing-synthetic-alexandrite.html
357. Alexandrite Synthetics and Imitations: Guide to synthetic alexandrite production, alexandrite imitations and the differences between natural and synthetic alexandrite; HTML, 60 Kb, 2008-07-20 13:01:43; /chapters/chapter7/index.html
358. Alexandrite World Occurrences: Study of all the known historical and confirmed alexandrite deposits and mining operations; HTML, 56 Kb, 2008-07-20 13:01:37; /chapters/chapter6/index.html
359. The Alexandrite Effect: Discussion about the alexandrite effect as a non-color-constancy phenomenon from the color theory perspective; HTML, 42 Kb, 2008-07-20 13:01:34; /chapters/chapter5/index.html
360. Chrysoberyl Classification and Properties: A comprehensive guide to the chrysoberyl family and it's varieties, including alexandrite and cymophane gemstones; HTML, 49 Kb, 2008-07-20 13:01:30; /chapters/chapter4/index.html
361. Chrysoberyl Species and Variety: Information about the chrysoberyl mineral, it's properties, varieties and history; HTML, 65 Kb, 2008-07-20 13:01:25; /chapters/chapter3/index.html
362. Alexandrite or Diaphanite?: An important study of alexandrite origin and the people involved in the discovery and the naming of alexandrite gemstone; HTML, 56 Kb, 2008-07-20 13:01:20; /chapters/chapter2/index.html
363. The prophetic Russian stone - Alexandrite: History of discovering alexandrite gemstone and the affect it had on the stone's name and the gemstone's value; HTML, 40 Kb, 2008-07-20 13:00:46; /chapters/chapter1/index.html
364. Alexandrite Gemstone Buyer and Jewelry Collector Guide: Alexandrite gemstone buyer and jewelry collector guide holds information on history, lore, value and properties of the chrysoberyl varieties, including alexandrite and cymophane gemstones.; HTML, 29 Kb, 2008-07-20 13:00:39; /chapters/index.html
365. Alexandrite Frequently Asked Questions: Answers to frequently asked questions about alexandrite gemstone identification and value.; HTML, 46 Kb, 2008-07-20 12:02:11; /chapters/faq/index.html
366. Privacy Policy for Alexandrite Tsarstone Collectors Guide: Alexandrite Guide's Privacy Policy is designed to help you understand how we collect and protect your personal information.; HTML, 38 Kb, 2008-07-18 15:01:27; /about/privacy/index.html
367. Copyright, Use of Content and Content license: Alexandrite Tsarstone Collectors Guide copyright policy and license for use of content; HTML, 39 Kb, 2008-07-18 15:01:10; /about/copyright/index.html
368. Contact information for Alexandrite Tsarstone Collectors Guide: Contact information of Alexandrite Tsarstone Collectors Guide publishers and authors; HTML, 24 Kb, 2008-07-18 15:00:52; /about/contact/index.html
369. Re: Alexandrite engagement ring? at Alexandrite discussion forums | Alexandrite guide: Re: Alexandrite engagement ring? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-12-01 03:28:00; /discussion/post/re-alexandrite-engagement-ring-FRM-176-00002
370. Alexandrite engagement ring at Alexandrite discussion forums | Alexandrite guide: Alexandrite engagement ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-11-18 03:07:00; /discussion/post/alexandrite-engagement-ring-FRM-176-00001
371. Alexandrite engagement ring? at Alexandrite discussion forums | Alexandrite guide: Alexandrite engagement ring? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-11-17 17:43:00; /discussion/topic/alexandrite-engagement-ring-FRM-176
372. Re: Alexandrite ring + other a. non mounted at Alexandrite discussion forums | Alexandrite guide: Re: Alexandrite ring + other a. non mounted at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-11-09 20:22:00; /discussion/post/re-alexandrite-ring-other-a-non-mounted-FRM-175-00002
373. Classic alexandrite story at Alexandrite discussion forums | Alexandrite guide: Classic alexandrite story at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-10-18 05:48:03; /discussion/post/classic-alexandrite-story-FRM-175-00001
374. My grandmothers alexandrite favorite ring at Alexandrite discussion forums | Alexandrite guide: My grandmothers alexandrite favorite ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-10-17 22:29:00; /discussion/topic/my-grandmothers-alexandrite-favorite-ring-FRM-175
375. Gem Quality Alexandrite at Alexandrite discussion forums | Alexandrite guide: Gem Quality Alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-10-08 20:49:00; /discussion/topic/gem-quality-alexandrite-FRM-174
376. Alexandrite for sale at Alexandrite discussion forums | Alexandrite guide: Alexandrite for sale at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-09-19 04:32:00; /discussion/post/alexandrite-for-sale-FRM-134-00003
377. Re: Emerald Cut Alexandrite, 12.53 ct at Alexandrite discussion forums | Alexandrite guide: Re: Emerald Cut Alexandrite, 12.53 ct at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-09-07 17:10:51; /discussion/post/re-emerald-cut-alexandrite-12-53-ct-FRM-173-00002
378. Re: Emerald Cut Alexandrite, 12.53 ct at Alexandrite discussion forums | Alexandrite guide: Re: Emerald Cut Alexandrite, 12.53 ct at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-09-07 17:04:01; /discussion/post/re-emerald-cut-alexandrite-12-53-ct-FRM-173-00001
379. Emerald Cut Alexandrite, 12.53 ct at Alexandrite discussion forums | Alexandrite guide: Emerald Cut Alexandrite, 12.53 ct at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-08-30 00:30:55; /discussion/topic/emerald-cut-alexandrite-12-53-ct-FRM-173
380. Useful tool for beginners at Alexandrite discussion forums | Alexandrite guide: Useful tool for beginners at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-08-27 10:30:09; /discussion/topic/useful-tool-for-beginners-FRM-172
381. ring for sale at Alexandrite discussion forums | Alexandrite guide: ring for sale at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-08-15 23:29:00; /discussion/post/ring-for-sale-FRM-171-00002
382. Re: Natural Alexandrite Ring for sale at Alexandrite discussion forums | Alexandrite guide: Re: Natural Alexandrite Ring for sale at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-08-15 17:19:46; /discussion/post/re-natural-alexandrite-ring-for-sale-FRM-171-00001
383. Natural Alexandrite Ring for sale at Alexandrite discussion forums | Alexandrite guide: Natural Alexandrite Ring for sale at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-08-15 14:32:00; /discussion/topic/natural-alexandrite-ring-for-sale-FRM-171
384. Re: Buying Alexandrite at Alexandrite discussion forums | Alexandrite guide: Re: Buying Alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-08-02 15:09:15; /discussion/post/re-buying-alexandrite-FRM-134-00001
385. Buying Alexandrite at Alexandrite discussion forums | Alexandrite guide: Buying Alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-08-02 15:00:00; /discussion/topic/buying-alexandrite-FRM-134
386. Looking for a alexandrite at Alexandrite discussion forums | Alexandrite guide: Looking for a alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-08-02 14:53:00; /discussion/topic/looking-for-a-alexandrite-FRM-133
387. Re: Are there any other gemstones which change color? at Alexandrite discussion forums | Alexandrite guide: Re: Are there any other gemstones which change color? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-07-26 12:09:00; /discussion/post/re-are-there-any-other-gemstones-which-change-color-FRM-282-00002
388. Re: Are there any other gemstones which change color? at Alexandrite discussion forums | Alexandrite guide: Re: Are there any other gemstones which change color? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-06-11 02:03:00; /discussion/post/re-are-there-any-other-gemstones-which-change-color-FRM-282-00001
389. Novello Mine and Girdlestone Farm at Alexandrite discussion forums | Alexandrite guide: Novello Mine and Girdlestone Farm at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-04-30 10:40:00; /discussion/post/-novello-mine-and-girdlestone-farm-FRM-163-00002
390. Zimbabwe at Alexandrite discussion forums | Alexandrite guide: Zimbabwe at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-04-30 10:24:42; /discussion/topic/zimbabwe-FRM-163
391. russian alexandrites at Alexandrite discussion forums | Alexandrite guide: russian alexandrites at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-04-24 03:48:41; /discussion/post/russian-alexandrites-FRM-162-00008
392. Round alexandrite prices at Alexandrite discussion forums | Alexandrite guide: Round alexandrite prices at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-03-31 22:32:04; /discussion/post/-round-alexandrite-prices-FRM-162-00007
393. What gemstones change color like alexandrite? at Alexandrite discussion forums | Alexandrite guide: What gemstones change color like alexandrite? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-03-16 00:59:00; /discussion/topic/what-gemstones-change-color-like-alexandrite-FRM-282
394. Buy loose alexandrite and ask jeweler to set it for you. at Alexandrite discussion forums | Alexandrite guide: Buy loose alexandrite and ask jeweler to set it for you. at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-02-18 18:23:00; /discussion/post/buy-loose-alexandrite-and-ask-jeweler-to-set-it-for-you-FRM-162-00004
395. Alexandrite retail markup at Alexandrite discussion forums | Alexandrite guide: Alexandrite retail markup at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-02-18 18:10:13; /discussion/post/-alexandrite-retail-markup-FRM-162-00002
396. Approximate value of Alexandrite? at Alexandrite discussion forums | Alexandrite guide: Approximate value of Alexandrite? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-02-18 16:08:00; /discussion/post/approximate-value-of-alexandrite-FRM-162-00005
397. Who sets the standard for price and color-change for Alexandrite? at Alexandrite discussion forums | Alexandrite guide: Who sets the standard for price and color-change for Alexandrite? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-02-18 16:06:23; /discussion/post/who-sets-the-standard-for-price-and-color-change-for-alexandrite-FRM-162-00006
398. Alexandrite buyer's guide. Chapter 9, Alexandrite gemstone buyer and collectors guide. at Alexandrite discussion forums | Alexandrite guide: Alexandrite buyer's guide. Chapter 9, Alexandrite gemstone buyer and collectors guide. at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-02-18 16:04:57; /discussion/topic/alexandrite-buyer-s-guide-chapter-9-alexandrite-ge-FRM-162
399. Understanding alexandrite prices, value and appraisal at Alexandrite discussion forums | Alexandrite guide: Understanding alexandrite prices, value and appraisal at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-02-18 16:03:56; /discussion/post/-understanding-alexandrite-prices-value-and-appraisal-FRM-162-00001
400. Alexandrite Gemstone Collectors Guide, Alexandrite gemstones gallery and Alexandrite mining information at Alexandrite discussion forums | Alexandrite guide: Alexandrite Gemstone Collectors Guide, Alexandrite gemstones gallery and Alexandrite mining information at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-01-18 07:20:33; /discussion/topic/alexandrite-gemstone-collectors-guide-alexandrite--FRM-158
401. Website feedback at Alexandrite discussion forums | Alexandrite guide: Website feedback at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-01-09 16:22:32; /discussion/topic/website-feedback-FRM-157
402. is my alexandrite real? at Alexandrite discussion forums | Alexandrite guide: is my alexandrite real? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-12-24 21:28:59; /discussion/post/is-my-alexandrite-real-FRM-168-00005
403. colors and hardness of alexandrite at Alexandrite discussion forums | Alexandrite guide: colors and hardness of alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-12-24 21:19:21; /discussion/post/-colors-and-hardness-of-alexandrite-FRM-161-00014
404. what is my alexandrite worth at Alexandrite discussion forums | Alexandrite guide: what is my alexandrite worth at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-12-24 21:10:17; /discussion/post/-what-is-my-alexandrite-worth-FRM-161-00013
405. where to sell alexandrite in India at Alexandrite discussion forums | Alexandrite guide: where to sell alexandrite in India at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-12-24 20:55:14; /discussion/post/-where-to-sell-alexandrite-in-india-FRM-161-00012
406. How about some preview? at Alexandrite discussion forums | Alexandrite guide: How about some preview? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-12-22 15:57:23; /discussion/post/how-about-some-preview-FRM-169-00002
407. Step Cut Alexandrite Oval, 5.16 cts at Alexandrite discussion forums | Alexandrite guide: Step Cut Alexandrite Oval, 5.16 cts at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-12-22 15:50:53; /discussion/topic/step-cut-alexandrite-oval-5-16-cts-FRM-169
408. is there any blue color changing into ruby red in natural alexandrite gem stone ? at Alexandrite discussion forums | Alexandrite guide: is there any blue color changing into ruby red in natural alexandrite gem stone ? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-12-21 15:24:06; /discussion/post/is-there-any-blue-color-changing-into-ruby-red-in-natural-alexandrite-gem-stone-FRM-161-00011
409. how many colors have in alexandrite zem stone? at Alexandrite discussion forums | Alexandrite guide: how many colors have in alexandrite zem stone? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-12-21 15:21:19; /discussion/post/how-many-colors-have-in-alexandrite-zem-stone-FRM-161-00010
410. Usenet, Google Groups, Alexandrite at Alexandrite discussion forums | Alexandrite guide: Usenet, Google Groups, Alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-12-17 17:57:01; /discussion/topic/usenet-google-groups-alexandrite-FRM-155
411. Approximate value of Alexandrite? at Alexandrite discussion forums | Alexandrite guide: Approximate value of Alexandrite? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-12-11 12:56:32; /discussion/post/approximate-value-of-alexandrite-FRM-161-00009
412. Alexandrite from India at Alexandrite discussion forums | Alexandrite guide: Alexandrite from India at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-11-29 08:50:10; /discussion/post/-alexandrite-from-india-FRM-168-00004
413. Alexandrite from India at Alexandrite discussion forums | Alexandrite guide: Alexandrite from India at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-11-28 18:15:29; /discussion/post/-alexandrite-from-india-FRM-168-00003
414. alexandrite for sale at Alexandrite discussion forums | Alexandrite guide: alexandrite for sale at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-11-27 07:25:20; /discussion/post/-alexandrite-for-sale-FRM-168-00002
415. Portuguese Cut Alexandrite Round, 1.19 cts at Alexandrite discussion forums | Alexandrite guide: Portuguese Cut Alexandrite Round, 1.19 cts at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-11-27 07:03:34; /discussion/topic/portuguese-cut-alexandrite-round-1-19-cts-FRM-168
416. color grading alexandrite at Alexandrite discussion forums | Alexandrite guide: color grading alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-11-27 05:12:12; /discussion/post/-color-grading-alexandrite-FRM-167-00002
417. Alexandrite idenitifcation at Alexandrite discussion forums | Alexandrite guide: Alexandrite idenitifcation at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-11-21 20:09:15; /discussion/post/-alexandrite-idenitifcation-FRM-165-00005
418. YAX407aa at Alexandrite discussion forums | Alexandrite guide: YAX407aa at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-11-21 15:18:51; /discussion/post/-yax407aa-FRM-165-00004
419. Alexandrite of Debhog India at Alexandrite discussion forums | Alexandrite guide: Alexandrite of Debhog India at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-11-18 19:36:36; /discussion/post/-alexandrite-of-debhog-india-FRM-161-00008
420. Grading a color change gems? at Alexandrite discussion forums | Alexandrite guide: Grading a color change gems? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-11-12 14:22:26; /discussion/topic/grading-a-color-change-gems-FRM-167
421. fluorescence in alexandrite at Alexandrite discussion forums | Alexandrite guide: fluorescence in alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-10-25 13:54:02; /discussion/post/-fluorescence-in-alexandrite-FRM-161-00007
422. alexandrite prices at Alexandrite discussion forums | Alexandrite guide: alexandrite prices at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-10-25 13:31:55; /discussion/post/-alexandrite-prices-FRM-166-00003
423. heat treatment of alexandrite at Alexandrite discussion forums | Alexandrite guide: heat treatment of alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-10-25 13:26:39; /discussion/post/-heat-treatment-of-alexandrite-FRM-161-00006
424. Alexandrite query at Alexandrite discussion forums | Alexandrite guide: Alexandrite query at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-10-21 23:45:32; /discussion/post/-alexandrite-query-FRM-161-00005
425. Are there any ways to improve alexandrite colors by treatment? at Alexandrite discussion forums | Alexandrite guide: Are there any ways to improve alexandrite colors by treatment? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-10-12 21:55:53; /discussion/post/are-there-any-ways-to-improve-alexandrite-colors-by-treatment-FRM-161-00002
426. price discussion at Alexandrite discussion forums | Alexandrite guide: price discussion at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-23 16:32:56; /discussion/post/-price-discussion-FRM-165-00003
427. Pricing at Alexandrite discussion forums | Alexandrite guide: Pricing at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-21 23:13:41; /discussion/post/-pricing-FRM-165-00002
428. Step Cut Alexandrite Oval, 2.6 cts at Alexandrite discussion forums | Alexandrite guide: Step Cut Alexandrite Oval, 2.6 cts at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-21 23:13:40; /discussion/topic/step-cut-alexandrite-oval-2-6-cts-FRM-165
429. Re: Alexandrite Forum Rules at Alexandrite discussion forums | Alexandrite guide: Re: Alexandrite Forum Rules at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-14 02:21:00; /discussion/post/re-alexandrite-forum-rules-FRM-153-00001
430. Alexandite Questions and Answers at Alexandrite discussion forums | Alexandrite guide: Alexandite Questions and Answers at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-14 00:19:10; /discussion/topic/alexandite-questions-and-answers-FRM-161
431. Alexandrite values at Alexandrite discussion forums | Alexandrite guide: Alexandrite values at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-05 08:33:15; /discussion/post/-alexandrite-values-FRM-166-00001
432. Scheduled for October 2006 at Alexandrite discussion forums | Alexandrite guide: Scheduled for October 2006 at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-03 16:41:16; /discussion/post/-scheduled-for-october-2006-FRM-156-00002
433. Ilakaka alexandrite deposit location at Alexandrite discussion forums | Alexandrite guide: Ilakaka alexandrite deposit location at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-03 16:29:00; /discussion/topic/ilakaka-alexandrite-deposit-location-FRM-170
434. Cymophane or Cats eye? at Alexandrite discussion forums | Alexandrite guide: Cymophane or Cats eye? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-03 08:58:29; /discussion/topic/cymophane-or-cats-eye-FRM-164
435. In Development at Alexandrite discussion forums | Alexandrite guide: In Development at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-02 18:33:17; /discussion/topic/in-development-FRM-154
436. Alexandrite Forum Rules at Alexandrite discussion forums | Alexandrite guide: Alexandrite Forum Rules at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-02 18:16:22; /discussion/topic/alexandrite-forum-rules-FRM-153
437. Step Cut Alexandrite Oval, 3.03 cts at Alexandrite discussion forums | Alexandrite guide: Step Cut Alexandrite Oval, 3.03 cts at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-02 02:07:46; /discussion/topic/step-cut-alexandrite-oval-3-03-cts-FRM-166
438. Some alexandrite lasers manafactures at Alexandrite discussion forums | Alexandrite guide: Some alexandrite lasers manafactures at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-02 02:03:00; /discussion/post/-some-alexandrite-lasers-manafactures-FRM-160-00002
439. The Alexandrite Laser at Alexandrite discussion forums | Alexandrite guide: The Alexandrite Laser at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-02 01:40:46; /discussion/topic/the-alexandrite-laser-FRM-160
440. Methods of Producing Synthetic Alexandrite at Alexandrite discussion forums | Alexandrite guide: Methods of Producing Synthetic Alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-02 01:30:00; /discussion/topic/methods-of-producing-synthetic-alexandrite-FRM-159
441. How can I add my gemstone? at Alexandrite discussion forums | Alexandrite guide: How can I add my gemstone? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-08-29 20:23:00; /discussion/topic/how-can-i-add-my-gemstone-FRM-156
442. Top Gem 6mm Strong Change Alexandrite 1.19cts.: Rare Alexandrite (Chrysoberyl) Round 1.19cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-round-1-19-faceted_YAX502aa
443. Certified Strong Color Change Alexandrite: Extremely rare Alexandrite (Chrysoberyl) Oval 3.06cts from Asia (Andhra Pradesh); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-3-06-faceted_yax588aa
444. Certified Fine Natural Alexandrite .2.60cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 2.6cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-2-6-faceted_YAX407aa
445. Nice Emerald Cut Chrysoberyl 8.18cts.: Rare Chrysoberyl (Chrysoberyl) Octagon 8.18cts from Sri Lanka (Balangoda); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-octagon-8-18-faceted_vcb207ab
446. Strong Color Change Alex. Oval 2.10cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 2.1cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-2-1-faceted_YAX488aa
447. Strong Color Change Alexandrite Cushion: Extremely rare Alexandrite (Chrysoberyl) Cushion 21.41cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-cushion-21-41-faceted_ax6302aa
448. Stunning Chrysoberyl Cat's Eye Round 6.10cts: Rare Cymophane (Chrysoberyl) Round 6.1cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-cymophane-round-6-1-traditional_CB4172a
449. Sharp Chrysoberyl Cats Eye 5.90cts.: Rare Cymophane (Chrysoberyl) Oval 5.9cts from Tanzania (Tunduru); HTML, 14 Kb, -0001-11-30 00:00:00; /gemstones/natural-cymophane-oval-5-9-traditional_CB4272aa
450. Sharp Chrysoberyl Cats Eye Cab 3.29cts.: Hard to find Cymophane (Chrysoberyl) Oval 3.29cts from Tanzania (Tunduru); HTML, 14 Kb, -0001-11-30 00:00:00; /gemstones/natural-cymophane-oval-3-29-traditional_YCB133ac
451. Chrysoberyl Cat's Eye Oval 2.53cts.: Hard to find Cymophane (Chrysoberyl) Oval 2.53cts from Tanzania (Tunduru); HTML, 14 Kb, -0001-11-30 00:00:00; /gemstones/natural-cymophane-oval-2-53-traditional_ZACB1508a
452. Beautiful Sharp Eye Chrysoberyl Ov. 2.01cts.: Hard to find Cymophane (Chrysoberyl) Oval 2.01cts from Madagascar (Ilakaka); HTML, 14 Kb, -0001-11-30 00:00:00; /gemstones/natural-cymophane-oval-2-01-traditional_ZACB1508ab
453. Beautiful Sharp Eye Chrysoberyl Ov. 2.67cts.: Hard to find Cymophane (Chrysoberyl) Oval 2.67cts from Madagascar (Ilakaka); HTML, 14 Kb, -0001-11-30 00:00:00; /gemstones/natural-cymophane-oval-2-67-traditional_ZACB1509aa
454. Quality Alexandrite Pear Shape 2.12cts.: Extremely rare Alexandrite (Chrysoberyl) Pear 2.12cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-pear-2-12-faceted_XAX333af
455. Certified Strong Change Alexandrite Oval 3.52cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 3.52cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-3-52-faceted_XAX333ad
456. Lively Daylight Green Alexandrite 2.55cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 2.55cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-2-55-faceted_XAX333ae
457. Certified Moderate Color Change Alexandrite: Rare Alexandrite (Chrysoberyl) Oval 1.7cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-7-faceted_xax319be
458. Certified Natural Alexandrite Oval 1.03cts.: Rare Alexandrite (Chrysoberyl) Oval 1.03cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-03-faceted_xax319bc
459. Certified Moderate Change Alexandrite 3.20cts: Extremely rare Alexandrite (Chrysoberyl) Oval 3.19cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-3-19-faceted_xax317ac
460. Fine Strong Color Change Alexandrite 1.23ct.: Rare Alexandrite (Chrysoberyl) Oval 1.23cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-23-faceted_yax152aa
461. Fine Cut / Good Clarity Alexandrite 3.03cts.: Extremely rare Alexandrite (Chrysoberyl) Octagon 3.03cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-octagon-3-03-faceted_xax329ab
462. Top Blue Green Alexandrite Oval 2.15cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 2.15cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-2-15-faceted_xax328aa
463. Strong Color Change Alexandrite Oval .47ct.: Rare Alexandrite (Chrysoberyl) Oval 0.47cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-0-47-faceted_yax201ap
464. Strong Color Change Alexandrite Oval .96ct.: Rare Alexandrite (Chrysoberyl) Oval 0.96cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-0-96-faceted_yax227aa
465. Strong Color Change Alexandrite Tril 1.95cts.: Rare Alexandrite (Chrysoberyl) Trillion 1.95cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-trillion-1-95-faceted_yax453aa
466. Certified Fine Natural Alexandrite 1.24cts.: Rare Alexandrite (Chrysoberyl) Oval 1.24cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-24-faceted_yax440aa
467. Certified Fine Natural Alexandrite 1.41cts.: Rare Alexandrite (Chrysoberyl) Oval 1.41cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-41-faceted_yax434aa
468. Certified Natural 7.0mm Alexandrite 2.16cts.: Extremely rare Alexandrite (Chrysoberyl) Round 2.16cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-round-2-16-faceted_yax409aa
469. Certified Natural Alexandrite Oval 2.04cts: Extremely rare Alexandrite (Chrysoberyl) Oval 2.04cts from India (Deobhog area); HTML, 16 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-2-04-faceted_yax391aa
470. Outstanding 11.8x9mm Chrysoberyl Oval 5.46cts: Rare Chrysoberyl (Chrysoberyl) Oval 5.46cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-oval-5-46-faceted_ycb146nw
471. Stunning 10mm Chrysoberyl Cushion 5.67cts: Rare Chrysoberyl (Chrysoberyl) Cushion 5.67cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-cushion-5-67-faceted_ycb146nt
472. Outstanding 11x8mm Chrysoberyl Pear 3.43cts: Hard to find Chrysoberyl (Chrysoberyl) Pear 3.43cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-pear-3-43-faceted_ycb146nq
473. Outstanding 10x8.7mm Chrysoberyl Ov 3.72cts: Hard to find Chrysoberyl (Chrysoberyl) Oval 3.72cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-oval-3-72-faceted_ycb146np
474. Certified Natural Alexandrite Trillion 2.03cts.: Extremely rare Alexandrite (Chrysoberyl) Triangle 2.03cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-triangle-2-03-faceted_yax380aa
475. Certified Natural Alexandrite Oval 1.31cts.: Rare Alexandrite (Chrysoberyl) Oval 1.31cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-31-faceted_yax232aa
476. Certified Natural Alexandrite Oval 1.03cts.: Rare Alexandrite (Chrysoberyl) Oval 1.03cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-03-faceted_yax239ah
477. Nice Color Change Alexandrite Oval 2.09cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 2.09cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-2-09-faceted_xax327ab
478. Quality Orissa Alexandrite Oval 1.60cts.: Rare Alexandrite (Chrysoberyl) Oval 1.6cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-6-faceted_xax321aa
479. Strong Color Change Oval Alexandrite 1.47ct.: Rare Alexandrite (Chrysoberyl) Oval 1.47cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-47-faceted_xax320cc
480. Certified Strong Change Alexandrite 1.79cts.: Rare Alexandrite (Chrysoberyl) Oval 1.79cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-79-faceted_xax320bl
481. Certified Strong Color Change Alexandrite 1.04cts.: Rare Alexandrite (Chrysoberyl) Oval 1.04cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-04-faceted_yax241aa
482. Certified Natural Alexandrite Oval 1.85cts.: Rare Alexandrite (Chrysoberyl) Oval 1.85cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-85-faceted_xax320bf
483. Certified Natural Alexandrite 2.20cts.: Extremely rare Alexandrite (Chrysoberyl) Fancy 2.2cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-fancy-2-2-faceted_xax320bh
484. Certified Natural Alexandrite Oval 1.23cts: Rare Alexandrite (Chrysoberyl) Oval 1.23cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-23-faceted_yax375aa
485. Certified Natural Alexandrite Oval 1.19cts: Rare Alexandrite (Chrysoberyl) Oval 1.19cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-19-faceted_yax373aa
486. Certified Natural Alexandrite Oval 1.01cts.: Rare Alexandrite (Chrysoberyl) Oval 1.01cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-01-faceted_yax361aa
487. Certified Natural Alexandrite Oval 1.33cts.: Rare Alexandrite (Chrysoberyl) Oval 1.33cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-33-faceted_yax324aa
488. Certified Strong Change Alexandrite 26.75cts: Extremely rare Alexandrite (Chrysoberyl) Cushion 26.75cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-cushion-26-75-faceted_AX1159aa
489. Fine Strong Color Change Alexandrite Oval: Rare Alexandrite (Chrysoberyl) Oval 1.04cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-04-faceted_yax507aa
490. Strong Color Change Alexandrite Trillion: Rare Alexandrite (Chrysoberyl) Trillion 1.21cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-trillion-1-21-faceted_yax504aa
491. Nice Natural Alexandrite Oval 8.94cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 8.94cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-8-94-faceted_AX4224aa
492. Gem Cut 11.7x8mm Chrysoberyl Oval 4.53cts.: Hard to find Chrysoberyl (Chrysoberyl) Oval 4.53cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-oval-4-53-faceted_ycb146ng
493. Nice Color Tanzanian Chrysoberyl 3.35ct.: Hard to find Chrysoberyl (Chrysoberyl) Oval 3.35cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-oval-3-35-faceted_ycb146jy
494. Alexandrite Pear Shape 1.01cts.: Rare Alexandrite (Chrysoberyl) Pear 1.01cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-pear-1-01-faceted_xax1513aa
495. Certified Strong Color Change Alexandrite Ov.: Rare Alexandrite (Chrysoberyl) Oval 1.63cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-63-faceted_xax1513ab
496. Attractive Tanzanian Chrysoberyl Heart.: Hard to find Chrysoberyl (Chrysoberyl) Heart 2.49cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-heart-2-49-faceted_ycb146hk
497. Bright Alexandrite Oval 5.16cts Super Value!: Extremely rare Alexandrite (Chrysoberyl) Oval 5.16cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-5-16-faceted_AX1863a
498. Certified Strong Change Alexandrite 21.23cts: Extremely rare Alexandrite (Chrysoberyl) Cushion 21.23cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-cushion-21-23-faceted_AX1161aa
499. Emerald Cut Alexandrite 5.47cts.: Extremely rare Alexandrite (Chrysoberyl) Octagon 5.47cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-octagon-5-47-faceted_XAX331aa
500. Nice Emerald Cut Chrysoberyl 2.56cts.: Hard to find Chrysoberyl (Chrysoberyl) Octagon 2.56cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-octagon-2-56-faceted_XCB135ac
501. Large Collector Alexandrite Oval 6.23cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 6.23cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-6-23-faceted_AX1874b
502. Gemmy Color Change Alexandrite Oval 5.08cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 5.08cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-5-08-faceted_AX4139aa
503. Strong Color Change Alexandrite Oval 1.19cts.: Rare Alexandrite (Chrysoberyl) Oval 1.19cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-19-faceted_yax501ab
504. Certified Natural Alexandrite Oval 1.34cts.: Rare Alexandrite (Chrysoberyl) Oval 1.34cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-34-faceted_yax469af
505. Fine Strong Color Change Alexandrite Round: Rare Alexandrite (Chrysoberyl) Round 1.19cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-round-1-19-faceted_yax508aa
506. Strong Color Change Alexandrite Oval 3.06cts: Extremely rare Alexandrite (Chrysoberyl) Oval 3.06cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-3-06-faceted_yax514aa
507. Strong Color Change 9.2x4.6mm Alexandrite: Extremely rare Alexandrite (Chrysoberyl) Fancy 2.05cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-fancy-2-05-faceted_yax520aa
508. Strong Color Change Alexandrite Oval: Rare Alexandrite (Chrysoberyl) Oval 1.05cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-05-faceted_yax503aa
509. Certified Natural Alexandrite Oval 1.09cts.: Rare Alexandrite (Chrysoberyl) Oval 1.09cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-09-faceted_yax469ad
510. Certified Natural Alexandrite Pear 3.06ct.: Extremely rare Alexandrite (Chrysoberyl) Pear 3.06cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-pear-3-06-faceted_yax461aa
511. Certified Natural Alexandrite Oval 4.81cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 4.81cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-4-81-faceted_AX4218aa
512. Certified Natural Alexandrite Cushion 4.12cts: Extremely rare Alexandrite (Chrysoberyl) Cushion 4.12cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-cushion-4-12-faceted_AX4180aa
513. Certified Fine Natural Alexandrite 4.16cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 4.16cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-4-16-faceted_WNAX1152aa
514. Top Gem Quality Natural Alexandrite 8.66cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 8.66cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-8-66-faceted_MSAX1122aa
515. Nice Change Natural Alexandrite Oval 6.36cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 6.36cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-6-36-faceted_AX4225aa
516. Fine Color/Cut 8x6mm Chrysoberyl Oval: Hard to find Chrysoberyl (Chrysoberyl) Oval 1.89cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-oval-1-89-faceted_XCB135ab
517. Nice Chrysoberyl Pear Shape 2.64cts.: Hard to find Chrysoberyl (Chrysoberyl) Pear 2.64cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-pear-2-64-faceted_YAX165ad
518. Fine Cut Chrysoberyl Trillion 2.84cts.: Hard to find Chrysoberyl (Chrysoberyl) Trillion 2.84cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-trillion-2-84-faceted_YCB111ab
519. Fine Color/Cut 9.2x6.5 Chrysoberyl Oval: Hard to find Chrysoberyl (Chrysoberyl) Oval 2.47cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-oval-2-47-faceted_YCB126bo
520. Outstanding Color/Cut 11x9mm Chrysoberyl Oval: Rare Chrysoberyl (Chrysoberyl) Oval 6.02cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-oval-6-02-faceted_YCB144aa
521. Fine Sharp Chrysoberyl Cat's Eye 4.40cts.: Hard to find Cymophane (Chrysoberyl) Oval 4.4cts from Madagascar (Ilakaka); HTML, 14 Kb, -0001-11-30 00:00:00; /gemstones/natural-cymophane-oval-4-4-traditional_CB1949a
522. Beautiful Color / Cut 13.6x9.75mm Chrysoberyl: Rare Chrysoberyl (Chrysoberyl) Oval 5.86cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-oval-5-86-faceted_ycb146dh
523. Quality Natural Alexandrite Cushion 2.70cts.: Extremely rare Alexandrite (Chrysoberyl) Cushion 2.7cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-cushion-2-7-faceted_YAX129aa
524. Sharp Chrysoberyl Cat's Eye Oval 2.52cts.: Hard to find Cymophane (Chrysoberyl) Oval 2.52cts from Madagascar (Ilakaka); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-cymophane-oval-2-52-traditional_CB1949b
525. Sharp Chrysoberyl Cat's Eye Oval 2.29cts.: Hard to find Cymophane (Chrysoberyl) Oval 2.29cts from Madagascar (Ilakaka); HTML, 14 Kb, -0001-11-30 00:00:00; /gemstones/natural-cymophane-oval-2-29-traditional_CB1949c
526. Stunning Chrysoberyl Trillion 13.75cts.: Extremely rare Chrysoberyl (Chrysoberyl) Trillion 13.75cts from Sri Lanka (Horana); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-trillion-13-75-faceted_VCB207aa
527. Vanadium Green Chrysoberyl Oval 2.51cts.: Hard to find Chrysoberyl (Chrysoberyl) Oval 2.51cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-oval-2-51-faceted_CB4249aa
528. Bright 13.6mm Chrysoberyl Trillion 8.25cts.: Rare Chrysoberyl (Chrysoberyl) Trillion 8.25cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-trillion-8-25-faceted_CB1267ac
529. Strong Change Natural Alexandrite 8.08cts.: Extremely rare Alexandrite (Chrysoberyl) Pear 8.08cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-pear-8-08-faceted_AX4222aa
530. Strong Change Natural Alexandrite 7.24cts.: Extremely rare Alexandrite (Chrysoberyl) Pear 7.24cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-pear-7-24-faceted_AX4221aa
531. Strong Change Natural Alexandrite 10.20cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 10.2cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-10-2-faceted_AX4219aa
532. Strong Change Natural Alexandrite 13.55cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 13.55cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-13-55-faceted_AX4220aa
533. Certified Natural Alexandrite Oval 2.70cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 2.7cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-2-7-faceted_YAX383aa
534. Stunning Color and Cut 11.7x10.8mm Chrysoberyl: Rare Chrysoberyl (Chrysoberyl) Oval 6.13cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-oval-6-13-faceted_ycb146dp
535. Alexandrite 3.03cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 3.03cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-3-03-faceted_xax335ad
536. Beautuful Color Change Alexandrite 3.38cts.: Extremely rare Alexandrite (Chrysoberyl) Trillion 3.38cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-trillion-3-38-faceted_XAX335ac
537. Cettified Strong Change Alexandrite Oval 2.15cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 2.15cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-2-15-faceted_XAX335ab
538. Nice Color Change Alexandrite Oval 7.46cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 7.46cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-7-46-faceted_XAX334aa
539. Fine Sharp Chrysoberyl Cats Eye 2.25cts.: Hard to find Cymophane (Chrysoberyl) Oval 2.25cts from Madagascar (Ilakaka); HTML, 14 Kb, -0001-11-30 00:00:00; /gemstones/natural-cymophane-oval-2-25-traditional_CB1949d

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