gemstones

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181. Strong Color Change Alex. Oval 2.10cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 2.1cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-2-1-faceted_YAX488aa
182. Strong Color Change Alexandrite Cushion: Extremely rare Alexandrite (Chrysoberyl) Cushion 21.41cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-cushion-21-41-faceted_ax6302aa
183. Strong Color Change Alexandrite Oval: Rare Alexandrite (Chrysoberyl) Oval 1.05cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-05-faceted_yax503aa
184. Strong Color Change Alexandrite Oval .47ct.: Rare Alexandrite (Chrysoberyl) Oval 0.47cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-0-47-faceted_yax201ap
185. Strong Color Change Alexandrite Oval .96ct.: Rare Alexandrite (Chrysoberyl) Oval 0.96cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-0-96-faceted_yax227aa
186. Strong Color Change Alexandrite Oval 1.19cts.: Rare Alexandrite (Chrysoberyl) Oval 1.19cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-19-faceted_yax501ab
187. Strong Color Change Alexandrite Oval 3.06cts: Extremely rare Alexandrite (Chrysoberyl) Oval 3.06cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-3-06-faceted_yax514aa
188. Strong Color Change Alexandrite Tril 1.95cts.: Rare Alexandrite (Chrysoberyl) Trillion 1.95cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-trillion-1-95-faceted_yax453aa
189. Strong Color Change Alexandrite Trillion: Rare Alexandrite (Chrysoberyl) Trillion 1.21cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-trillion-1-21-faceted_yax504aa
190. Strong Color Change Oval Alexandrite 1.47ct.: Rare Alexandrite (Chrysoberyl) Oval 1.47cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-47-faceted_xax320cc
191. Stunning 10mm Chrysoberyl Cushion 5.67cts: Rare Chrysoberyl (Chrysoberyl) Cushion 5.67cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-cushion-5-67-faceted_ycb146nt
192. Stunning Chrysoberyl Cat's Eye Round 6.10cts: Rare Cymophane (Chrysoberyl) Round 6.1cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-cymophane-round-6-1-traditional_CB4172a
193. Stunning Chrysoberyl Trillion 13.75cts.: Extremely rare Chrysoberyl (Chrysoberyl) Trillion 13.75cts from Sri Lanka (Horana); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-trillion-13-75-faceted_VCB207aa
194. Stunning Color and Cut 11.7x10.8mm Chrysoberyl: Rare Chrysoberyl (Chrysoberyl) Oval 6.13cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-oval-6-13-faceted_ycb146dp
195. 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
196. 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
197. Synthetic gemstone growth techniques: Information about melt, solution growth and vapour deposition techniques used for synthetic gemstones manufacturing; HTML, 38 Kb, 2008-07-20 13:01:50; /chapters/chapter7/synthetic-gemstone-growth-techniques.html
198. Tanzanian alexandrite, Tunduru: Information about Tanzanian alexandrite findings and mining in Tunduru, Tanzania.; HTML, 29 Kb, 2008-07-31 07:35:25; /localities/alexandrite-locality-tanzania-tunduru.html
199. The Alexandrite Effect: Discussion about the alexandrite effect as a non-color-constancy phenomenon from the color theory perspective; HTML, 42 Kb, 2008-07-20 13:01:34; /chapters/chapter5/index.html
200. 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
201. The prophetic Russian stone - Alexandrite: History of discovering alexandrite gemstone and the affect it had on the stone's name and the gemstone's value; HTML, 40 Kb, 2008-07-20 13:00:46; /chapters/chapter1/index.html
202. The Purkinje Effect at Alexandrite discussion forums | Alexandrite guide: The Purkinje Effect at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-04 15:21:00; /discussion/post/the-purkinje-effect-FRM-323-00003
203. The Weinman Mineral Gallery: The museum features four main galleries: The Weinman Mineral Gallery, The Fossil Gallery, Science in Motion and The Collins Family My Big Backyard. A 120-seat digital planetarium and an observatory with a state-of-the-art 20-inch telescope will also be lo; HTML, 63 Kb, 2009-03-30 11:53:52; /directory/museums/the-weinman-mineral-gallery-wdd-003-00039.html
204. Top Blue Green Alexandrite Oval 2.15cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 2.15cts from India (Deobhog area); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-2-15-faceted_xax328aa
205. Top Gem 6mm Strong Change Alexandrite 1.19cts.: 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_YAX502aa
206. Top Gem Quality Natural Alexandrite 8.66cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 8.66cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-8-66-faceted_MSAX1122aa
207. Translucent: Gemstone transmits light but no object can be seen clearly through it such as moonstone. Translucent gemstones are not suitable for brilliant cutting but cut cabochon.; HTML, 23 Kb, 2008-07-20 13:07:07; /chapters/glossary/translucent.html
208. 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
209. Vanadium: A very hard, light-gray, ductile, malleable, metallic element of the group V of the Periodic System with the symbol V. It is one of the 8 pigment metals responsible for color in gemstones such as beryl, sapphire (natural or synthetic). Used as a component; HTML, 24 Kb, 2008-07-20 13:07:28; /chapters/glossary/vanadium.html
210. Vanadium Green Chrysoberyl Oval 2.51cts.: Hard to find Chrysoberyl (Chrysoberyl) Oval 2.51cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-chrysoberyl-oval-2-51-faceted_CB4249aa

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Alexandrite

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