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Polymer-Impregnated Turquoise

A large “Persian” turquoise cabochon was impregnated with a material that was also present in cavities on its base.

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Turquoise from Zhushan County, Hubei Province, China
Turquoise from Zhushan County, Hubei Province, China

A relatively new source of gem-quality turquoise is hosted within slates in Zhushan County of China’s Hubei Province.

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