This article, from the Summer 2010 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside Gems & Gemology.
Read MoreA large “Persian” turquoise cabochon was impregnated with a material that was also present in cavities on its base.
Read MoreThis section, from the Summer 1986 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
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This section, from the Summer 2009 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Summer 1983 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
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A fingerprint pattern, possibly left by human skin oils during the assembly process, is observed in natural turquoise beads.
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Examination of a faceted rock crystal backed by a slice of turquoise: an obvious but unusual combination of gem materials.
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Natural turquoise has been subjected to dyeing and three types of impregnation.
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 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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