alexandrite natural of photo stone

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241. 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
242. 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
243. 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
244. 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
245. 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
246. 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
247. 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
248.: 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
249. 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
250. 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
251. 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
252. 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
253. 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
254. 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
255. 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
256.: 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
257. 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
258. 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
259. 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
260. 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
261. 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
262. 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
263. 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
264. 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
265. 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
266. 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
267. 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
268. 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
269. 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
270. 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
271. 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
272. 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
273. 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
274. 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
275. 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
276. 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
277. 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
278. 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
279. 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
280. 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
281. 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
282. 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
283. 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
284. 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
285. 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
286. 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
287. 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
288. 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
289. Alexandrite Gemstone Buyer and Jewelry Collector Guide: Alexandrite gemstone buyer and jewelry collector guide is a comprehensive encyclopedia with articles, guides, glossary and bibliography covering all the major branches of alexandrite gemstone and jewelry knowledge.; HTML, 41 Kb, 1970-01-01 01:00:00; /index.html
290. 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
291. 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
292. 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
293. 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
294. 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
295. 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
296. 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
297. 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
298. 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
299. 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
300. 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

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Alexandrite

alexandrite natural of photo stone

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