alexandrite natural of photo stone

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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
301. 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
302. 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
303. 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
304. 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
305. 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
306. 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
307. 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
308. 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
309. 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
310. 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
311. 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
312. 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
313. 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
314. 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
315. 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
316. 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
317. 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
318. 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
319. 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
320. 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
321. 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
322. 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
323. 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
324. 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
325. 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
326. 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
327. 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
328. 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
329. 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
330. 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
331. 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
332. 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
333. 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
334. 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
335. 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
336. 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
337. 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
338. 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
339. 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
340. 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
341. 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
342. 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
343. 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
344. 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
345. 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
346. 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
347. 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
348. 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
349. 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
350. 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

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Alexandrite

alexandrite natural of photo stone

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