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Emerald
Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.
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Emeralds from the Mananjary Region, Madagascar: Internal Features
Mananjary emeralds usually can be separated from emeralds from other localities by means of associations of certain mineral inclusions.
Summer 1994 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.
Summer 1997 G&G Lab Notes
This section, from the Summer 1997 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Update on Emeralds from the Sandawana Mines, Zimbabwe
Zimbabwe’s Sandawana mines have been an important producer of emeralds for 40 years.
Summer 1999 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 1981 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 1981 G&G Lab Notes
This section, from the Summer 1981 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
The Chromium Content of Lechleitner Synthetic Emerald Overgrowth
The higher the chromium content in synthetic emerald overgrowth, the darker the coating and appearance of the stone will be.
Summer 1982 Gem News International
Summer 1982 G&G; Lab Notes
Summer 1983 G&G Lab Notes
This section, from the Summer 1983 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
