alexandrite natural of photo stone

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281. 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
282. 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
283. 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
284. 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
285. 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
286. 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
287. 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
288. 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
289. Javore: Javore is an alexandrite jewellery designer.; HTML, 63 Kb, 2009-03-09 18:45:28; /directory/jewelers/javore-wdd-003-00002.html
290. 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
291. 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
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. 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
294. 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
295. 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
296. 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
297. 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
298. 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
299. 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
300. 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
301. 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
302. 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
303. 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
304. 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
305. 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
306. 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
307. 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
308. Mark Henry: HTML, 63 Kb, 2009-03-30 13:02:23; /directory/jewelers/mark-henry-wdd-003-00042.html
309. 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
310. 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
311. 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
312. 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
313. Mica schist: Schist consisting largely of micas and quartz.; HTML, 23 Kb, 2008-07-20 13:05:44; /chapters/glossary/mica-schist.html
314. 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
315. 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
316. 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
317. Multicolour Gems: HTML, 63 Kb, 2009-03-06 16:25:54; /directory/gemstone-dealers/multicolour-gems-wdd-003-00001.html
318. 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
319. 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
320. 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

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Alexandrite

alexandrite natural of photo stone

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