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G-G Spring 2015
Spring 2015 G&G Examines Blue Spinel, Chinese Jewellery Design and the Latest in Synthetics

G&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.

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IMG - WN13 LN 157613 300x169
Silicon in natural Type IIa and Type IaB diamond

Silicon, normally associated with CVD synthetic diamonds, may be found in natural diamond.

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