The first known group of colour-change gem-quality chrome grossular garnet, reportedly from Ethiopia, is examined in GIA’s Carlsbad lab.
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A colour change in rough garnet is observed and plotted in GIA’s Carlsbad lab.
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A summary of the content found in the Summer 2016 issue of Gems & Gemology.
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G&G Brief presents an overview of the content of the Winter 2015 issue of Gems & Gemology.
Read MoreA 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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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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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.
Read MoreThis section, from the Summer 2004 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreA 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.
Read MoreThis section, from the Summer 2003 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
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