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Spring 2015 G&G Examines Blue Spinel, Chinese Jewelry 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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Dyed green marble imitating jadeite
Dyed Green Marble Imitating Jadeite

What appeared to be high-quality jadeite was actually dyed green marble with calcite as the main mineral.

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The Jade Enigma

An examination of the various simulants of of nephrite and jadeite, and how to separate them from jade.

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Dyed-bone cabochon
Dyed Bone as a Red Coral Imitation

A specimen presenting as red coral is revealed to be dyed bone.

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Abstracts; Summer 1991

From the Summer 1991 issue of Gems & Gemology, a summary of important gemology-related articles published in other journals.

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