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Calcite showing phosphorescence.
Filled Calcite with Pronounced Phosphorescence

A sphere with a greasy lustre exhibiting strong phosphorescence is investigated.

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Spring 1994 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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Autumn 1995 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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Jadeite bangle revealing natural inclusions
Jadeite Bangle with the Appearance of Polymer Treatment

A jadeite jade bangle is submitted for lab testing to investigate the possibility of treatment.

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Autumn 1988 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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Two shattuckite specimens
Shattuckite from the DRC

Rare shattuckite from the Democratic Republic of Congo, as seen at the Tucson Gem and Mineral Show.

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Winter 2006 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 2001 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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Iridescent Beetle
Summer 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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Spring 2001 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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