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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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Spring 1994 G&G; Lab Notes
Spring 1995 G&G; Lab Notes
Spring 1996 G&G Lab Notes
This section, from the Spring 1996 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Summer 1991 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 1987 G&G Lab Notes
This section, from the Winter 1987 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Spring 1984 G&G; Lab Notes
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.
Summer 2012 G&G; Lab Notes
This section, from the Summer 2012 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
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.
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.
Summer 1995 G&G Lab Notes
This section, from the Summer 1995 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
