alexandrite natural of photo stone

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271. 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
272. Icgems: HTML, 63 Kb, 2009-03-30 07:42:28; /directory/gemstone-dealers/icgems-wdd-003-00031.html
273. 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
274. 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
275. 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
276. 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
277. 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
278. 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
279. 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
280. 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
281. 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
282. 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
283. 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
284. 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
285. 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
286. 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
287. 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
288. 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
289. 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
290. 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
291. 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
292. 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
293. 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
294. 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
295. 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
296. 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
297. 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
298. 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
299. 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
300. 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
301. 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
302. 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
303. 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
304. 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
305. 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
306. 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
307. 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
308. 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
309. 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
310. 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
311. 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
312. 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
313. 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
314. 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
315. 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
316. 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
317. 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
318. 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
319. 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
320. 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
321. Embassy Emeralds: HTML, 64 Kb, 2009-03-30 07:08:21; /directory/gemstone-dealers/embassy-emeralds-wdd-003-00029.html
322. Electronic colorimeter: An instrument to measure the color of brilliants.; HTML, 23 Kb, 2008-07-20 13:04:10; /chapters/glossary/electronic-colorimeter.html
323. 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
324. 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
325. 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
326. 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
327. 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
328. 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
329. 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
330. 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
331. 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
332. 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
333. 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
334. 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
335. 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
336. 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
337. 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
338. 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
339. 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
340. 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
341. 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
342. 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
343. 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
344. 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
345. 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
346. 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
347. 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
348. 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
349. 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
350. 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
351. 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
352. 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
353. 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
354. 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
355. 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
356. 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
357. 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
358. 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
359. 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
360. 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

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Alexandrite

alexandrite natural of photo stone

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