Turquoise Gemstone | Turquoise Stone

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Turquoise

Azure sky, robin’s egg blue: Vivid shades of turquoise define the color that’s named after this gem.

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Research

Abstracts; Summer 2010

Winter 2007 G&G; Lab Notes

Summer 2008 Gem News International

Fall 2005 G&G; Lab Notes

Spring 1987 Gem News International

A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.

Spring 1988 G&G; Lab Notes

Winter 2005 G&G; Lab Notes

This section, from the Winter 2005 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

Summer 1992 Gem News International

Summer 1993 Gem News International

Summer 1994 G&G; Lab Notes

This section, from the Summer 1994 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

Fall 1994 G&G; Lab Notes

This section, from the Fall 1994 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

Fall 1984 G&G; Lab Notes

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EMERALD

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CITRINE