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Letters: Analysis of Three-Phase Inclusions in Emerald

A response to the Summer 2014 G&G article on three-phase inclusions in emerald.

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Colourless CVD-Grown Synthetic Diamond
Diamond Laser

Overview and commentary on the 2014 Optics & Photonics News article “Diamond Raman Lasers”.

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A Selection of Faceted Natural Ametrines.
Using Conventional Equipment to Separate Natural from Synthetic Ametrine

A summary of the article “A simple approach to separate natural from synthetic ametrine”, by Francine Payette.

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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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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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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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Titanium-bearing synthetic alexandrite and chrysoberyl

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

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Ammolite: an organic jewel

Overview and commentary on the June 2013 Rock & Gem article, “Ammolite: an organic jewel”.

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