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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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Jadeite With High Albite Content
GIA Museum Exhibits in New York
A brief look at GIA's permanent museum exhibit at the New York lab and campus.
Dyed Bone as a Red Coral Imitation
A specimen presenting as red coral is revealed to be dyed bone.
Shattuckite from the DRC
Rare shattuckite from the Democratic Republic of Congo, as seen at the Tucson Gem and Mineral Show.
Jewelry Shanghai 2014
An insider look at the May 2014 show, held at the Shanghai Word Expo Exhibition & Convention Center.
Application of the DiamondView in Separating Impregnated Jadeite
Guizhou Jade from Qinglong, China
The authors collect Guizhou Jade at the mine and explore the antimony deposit in Qinglong, China.
Winter 1994 G&G; Lab Notes
This section, from the Winter 1994 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Winter 1995 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 1995 G&G; Lab Notes
This section, from the Winter 1995 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Winter 1990 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.
