gemstones

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121. 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
122. 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
123. 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
124. Colour change sapphire anyone? at Alexandrite discussion forums | Alexandrite guide: Colour change sapphire anyone? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2008-10-26 13:01:00; /discussion/post/colour-change-sapphire-anyone-FRM-282-00005
125. 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
126. Colour change garnet at Alexandrite discussion forums | Alexandrite guide: Colour change garnet at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-05 13:17:20; /discussion/topic/colour-change-garnet-FRM-342
127. Colour change not quite the same thing as pleochroism at Alexandrite discussion forums | Alexandrite guide: Colour change not quite the same thing as pleochroism at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-01 15:03:00; /discussion/post/colour-change-not-quite-the-same-thing-as-pleochroism-FRM-336-00002
128. Colored Stone: Colored Stone is owned by Interweave Press. Included among its magazines are Beadwork, Knits, American Artist, and FiberArts. In business since 1975, Interweave Press publishes a growing number of magazines and many books related to fiber, thread, needlew; HTML, 64 Kb, 2009-03-30 11:20:06; /directory/publications/colored-stone-wdd-003-00035.html
129. Color change natural tourmaline at Alexandrite discussion forums | Alexandrite guide: Color change natural tourmaline at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-03-20 00:13:00; /discussion/post/color-change-natural-tourmaline-FRM-282-00006
130. Color change garnet vs Alexandrite at Alexandrite discussion forums | Alexandrite guide: Color change garnet vs Alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-05 00:40:00; /discussion/post/color-change-garnet-vs-alexandrite-FRM-341-00002
131. Color change: There are four major methods of changing the colors of gemstones. These are surface painting or foiling the back, oiling, coating, impregnating, staining of porous stones, heat treatment, and irradiation by particles of atomic size and X-rays. The color c; HTML, 26 Kb, 2008-07-20 13:03:40; /chapters/glossary/color-change.html
132. Colburn Earth Science Museum: HTML, 63 Kb, 2009-03-30 12:02:20; /directory/museums/colburn-earth-science-museum-wdd-003-00040.html
133. Classic alexandrite story at Alexandrite discussion forums | Alexandrite guide: Classic alexandrite story at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-10-18 05:48:03; /discussion/post/classic-alexandrite-story-FRM-175-00001
134. Clarity grading: The classification of fashioned gemstones or diamonds according to their clarity using the standard nomenclature of terms: flawless, pure, clean, perfect (for top grade). VVS (very very slightly included), VS (very slightly included), SI (slightly include; HTML, 24 Kb, 2008-07-20 13:03:38; /chapters/glossary/clarity-grading.html
135. Chrysoberyl Species and Variety: Information about the chrysoberyl mineral, it's properties, varieties and history; HTML, 65 Kb, 2008-07-20 13:01:25; /chapters/chapter3/index.html
136. Chrysoberyl rough weighing over 2984.9 ct was valued at 175.000 USD at Alexandrite discussion forums | Alexandrite guide: Chrysoberyl rough weighing over 2984.9 ct was valued at 175.000 USD at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-04 12:24:00; /discussion/post/chrysoberyl-rough-weighing-over-2984-9-ct-was-valued-at-175-000-usd-FRM-340-00002
137. Chrysoberyl Classification and Properties: A comprehensive guide to the chrysoberyl family and it's varieties, including alexandrite and cymophane gemstones; HTML, 49 Kb, 2008-07-20 13:01:30; /chapters/chapter4/index.html
138. Chrysoberyl Cat's Eye Oval 2.53cts.: Hard to find Cymophane (Chrysoberyl) Oval 2.53cts from Tanzania (Tunduru); HTML, 14 Kb, -0001-11-30 00:00:00; /gemstones/natural-cymophane-oval-2-53-traditional_ZACB1508a
139. China Stone: HTML, 64 Kb, 2009-03-30 07:29:18; /directory/gemstone-dealers/china-stone-wdd-003-00030.html
140. Chatoyancy: An optical effect, possessed by certain translucent gemstones in reflecting light, in which a movable, wavy or silky sheen is concentrated in a narrow band of white light that changes its position, when the gem is turned. This is a characterized of cat's; HTML, 26 Kb, 2008-07-20 13:03:30; /chapters/glossary/chatoyancy.html
141. Ceylon alexandrite, Horana: Information about Ceylon alexandrite findings and mining in Horana, Sri Lanka.; HTML, 29 Kb, 2008-07-31 07:35:14; /localities/alexandrite-locality-sri-lanka-western-province-horana.html
142. Cettified Strong Change Alexandrite Oval 2.15cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 2.15cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-2-15-faceted_XAX335ab
143. Certified Strong Color Change Alexandrite Ov.: Rare Alexandrite (Chrysoberyl) Oval 1.63cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-63-faceted_xax1513ab
144. Certified Strong Color Change Alexandrite 1.04cts.: 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_yax241aa
145. Certified Strong Color Change Alexandrite: Extremely rare Alexandrite (Chrysoberyl) Oval 3.06cts from Asia (Andhra Pradesh); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-3-06-faceted_yax588aa
146. Certified Strong Change Alexandrite 26.75cts: Extremely rare Alexandrite (Chrysoberyl) Cushion 26.75cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-cushion-26-75-faceted_AX1159aa
147. Certified Strong Change Alexandrite 21.23cts: Extremely rare Alexandrite (Chrysoberyl) Cushion 21.23cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-cushion-21-23-faceted_AX1161aa
148. Certified Strong Change Alexandrite 1.79cts.: Rare Alexandrite (Chrysoberyl) Oval 1.79cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-1-79-faceted_xax320bl
149. Certified Strong Change Alexandrite Oval 3.52cts.: Extremely rare Alexandrite (Chrysoberyl) Oval 3.52cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-oval-3-52-faceted_XAX333ad
150. Certified Natural Alexandrite Pear 3.06ct.: Extremely rare Alexandrite (Chrysoberyl) Pear 3.06cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-pear-3-06-faceted_yax461aa

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