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Gemstones

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Jadeite bangle revealing natural inclusions
Jadeite Bangle with the Appearance of Polymer Treatment

A jadeite jade bangle is submitted for lab testing to investigate the possibility of treatment.

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Two shattuckite specimens
Shattuckite from the DRC

Rare shattuckite from the Democratic Republic of Congo, as seen at the Tucson Gem and Mineral Show.

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Jewel of purple and green jade
Jewellery Shanghai 2014

An insider look at the May 2014 show, held at the Shanghai Word Expo Exhibition & Convention Center.

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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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Cross jewel of gold, turquoise, other gems
GIA Museum Exhibits in New York

A brief look at GIA's permanent museum exhibit at the New York lab and campus.

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