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Summer 2016 Gems & Gemology Cover
Article
Summer 2016 G&G: Diamonds from Diavik, Responsible Sourcing, and Fabergé Cossack Figures

A summary of the content found in the Summer 2016 issue of Gems & Gemology.

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Opal
Article
Opal Quality Factors

Learn about the factors that make opals so desirable.

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