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Green Amber
Characterisation of “Green Amber” With Infrared and Nuclear Magnetic Resonance Spectroscopy

A peridot-like bright greenish yellow to green gem material called “green amber” has recently appeared in the gem market.

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Pyrite Inclusions
Winter 2010 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, jewellery manufacturing techniques and industry trends.

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Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Summer 2009

This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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Summer 2012 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, jewellery manufacturing techniques and industry trends.

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Winter 2006 G&G Lab Notes

This section, from the Winter 2006 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.

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Summer 1993 G&G Lab Notes

This section, from the Summer 1993 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.

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Violetish Blue Dispersive Flashes in Amethyst
Winter 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, jewellery manufacturing techniques and industry trends.

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Winter 1990 G&G Lab Notes

This section, from the Winter 1990 issue of Gems & Gemmology, is a compilation of interesting finds from GIA's laboratories.

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Winter 1987 G&G Lab Notes

This section, from the Winter 1987 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.

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Winter 1992 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, jewellery manufacturing techniques and industry trends.

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