Winter 2013 - Volume 49, Issue 4
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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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