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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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Research
Gota de Aceite–Like Effect in a Brazilian Emerald
GIA’s Tokyo laboratory examines a Brazilian emerald with a gota de aceite–like effect characteristic of Colombian emeralds.
Unusual Repair of a Natural Emerald
Glass identified as the raw material used to conceal damage of a natural emerald.
Nail-Head Spicule in a Russian Emerald
The Carlsbad laboratory observes a nail-head spicule in a natural Russian emerald.
The Gujar Killi Emerald Deposit, Northwest Frontier Province, Pakistan
Over the last decade, Pakistan has developed into an important source for many gem materials. A number of localities have been identified for emeralds in particular.
The Santa Terezinha De Goias Emerald Deposit
The author has uncovered many ancient references to the simulation or enhancement of gemstones.
Spring 1998 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 1998 G&G; Lab Notes
Spring 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.
Spring 1999 G&G; Lab Notes
This section, from the Spring 1999 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Spring 2001 Gem News International
Spring 2001 G&G; Lab Notes
Spring 2002 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.
