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Jade
“Jade” is a generic term for nephrite, jadeite, and under certain conditions green omphacite. In China, a pierced jade disk is a symbol of heaven.
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Fall 1987 G&G; Lab Notes
Fall 1988 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.
Fall 1993 G&G; Lab Notes
This section, from the Fall 1993 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 1995 Gem News International
Winter 2002 G&G; Lab Notes
Winter 2006 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.
Winter 2001 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.
Guizhou Jade from Qinglong, China
The authors collect Guizhou Jade at the mine and explore the antimony deposit in Qinglong, China.
New or Unusual Gem Materials Encountered in the Institute’s Gem Trade Laboratories
One of the favorites for Gems & Gemology readers is the Lab Notes column, the brief reports in each issue describing notable or unusual gem materials that have made their way to GIA’s laboratory.
