Spring 2014 - Volume 50, Issue 1
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Gemstones

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Diamond from Mir Mine in Russia
A Glimpse into the Russian Diamond Trade

Overview and commentary on the 2013 Russian Diamonds and Jewellery article “New Reality of the Russian Jewellery Market.”

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Mint-green chrysoberyl.
Distinguishing Between Natural and Synthetic Green Chrysoberyl

Overview and commentary on the 2013 Journal of Gemmology article “Natural and synthetic vanadium-bearing chrysoberyl.”

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Sapphire crystals
Beryllium in Blue Sapphires, Both Natural and Diffusion-Treated

Overview and commentary on the 2013 InColor article “Blue Sapphires and Beryllium: 'An Unfinished World Quest.'”

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Linarite from Hoppel Collection
What Possesses Bidders at Auction? This Article Offers Some Clues

Overview and commentary on the 2013 Rocks & Minerals article “The Heritage Auction of the Hoppel Collection.”

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HOC synthetic alexandrite inclusion.
Challenges in Orienting Alexandrite: The Usambara and Other Optical Effects in Synthetic HOC-Grown Russian Alexandrite

Overview and commentary on the 2013 Journal of Gemmology article “Synthetic alexandrites grown by the HOC method in Russia: Internal features related to the growth technique and colorimetric investigation.”

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