gemstones

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101. 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
102. 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
103. 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
104. 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
105. 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
106. 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
107. 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
108. 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
109. 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
110. 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
111. 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
112. 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
113. 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
114. 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
115. 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
116. 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
117. 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
118. 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
119. Gemsuite: HTML, 63 Kb, 2009-03-30 08:08:40; /directory/gemstone-dealers/gemsuite-wdd-003-00033.html
120. 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
121. 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
122. 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
123. Hong Kong Gems Laboratory: Established in 1987, Hong Kong Gems Laboratory is well equipped and recognized by gemologists and industry professionals. Full-service lab offers FTIR spectrophotometerservice, which provides evidence for jadeite jade and diamond, corundum, emerald and ot; HTML, 65 Kb, 2009-03-15 02:25:21; /directory/laboratories/hong-kong-gems-laboratory-wdd-003-00011.html
124. 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
125. 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
126. 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
127. 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
128. 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
129. 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
130. 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
131. 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
132. Lapidary: A craftsman who cuts, polishes, and engraves colored gemstones, other than diamonds. A worker who cuts, and polishes diamonds is known as a diamond cutter.; HTML, 23 Kb, 2008-07-20 13:05:29; /chapters/glossary/lapidary.html
133. 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
134. 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
135. 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
136. 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
137. Multicolour Gems: HTML, 63 Kb, 2009-03-06 16:25:54; /directory/gemstone-dealers/multicolour-gems-wdd-003-00001.html
138. 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
139. 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
140. Needlelike (silk): Acicular a needle form of inclusions in gemstones.; HTML, 23 Kb, 2008-07-20 13:05:56; /chapters/glossary/needlelike-silk.html
141. 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
142. 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
143. 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
144. 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
145. 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
146. 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
147. 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
148. 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
149. 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
150. 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

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