Article
The Glory of Green Gems
Sharon Bohannon and Peggy Tsiamis, June 12, 2015
Green gemstones, which can uplift and heal our spirits, have been popular gem choices ever since we began to adorn ourselves with jewellery.
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Gemstone Guidebook Project
Jennifer-Lynn Archuleta, August 9, 2018
A project coordinated by GIA and the NGO Pact provides a valuable educational tool to women miners in Tanzania.
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Spring 2000 Gem News International
, March 1, 2000
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewellery manufacturing techniques and industry trends.
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Chemical Analysis of Zircon
Akhil Sehgal, July 31, 2015
Trace-element analysis is used to identify metamictisation, treatment and growth conditions of zircon.
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Article
GIA Gem Project
Zircon
Although colourless when chemically pure, zircon is typically yellow-brown to brown. It also comes in red, blue, purple, and green. Because of its high brilliance and dispersion, colourless zircon has sometimes been used as a substitute for diamond in jewellery.
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Winter 2011 G&G Lab Notes
, December 1, 2011
This section, from the Winter 2011 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
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Summer 2009 Gem News International
, June 1, 2009
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewellery manufacturing techniques and industry trends.
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Spring 2010 Gem News International
, March 1, 2010
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewellery manufacturing techniques and industry trends.
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Spring 2003 G&G Lab Notes
, March 1, 2003
This section, from the Spring 2003 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
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Spring 1988 Gem News International
, March 1, 1988
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewellery manufacturing techniques and industry trends.
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