Stellate Cloud in Diamond

Patchy cloud in a diamond resembles a celestial star.

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Tourmaline Inclusion with Included Crystals in Kashmir Sapphire

A tourmaline inclusion in a Kashmir sapphire contains “daughter” crystal inclusions.

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Irradiated and Dyed Akoya Pearls

The New York laboratory reports on a submission of pearls with a combination of irradiation and dye treatments.

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Pearls from the Placunidae Family (Windowpane Oysters)

A report on windowpane oyster pearls analyzed in GIA’s laboratories.

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Spring 2024 G&G Publication Information

This document provides the publication information for Gems & Gemology

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