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A miner in northern Tanzania examines rhodolite.
Gemstone Guidebook Project

A project coordinated by GIA and the NGO Pact provides a valuable educational tool to women miners in Tanzania.

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Rubellite rough.
Tourmaline and Sapphire from Nigeria

An update on Nigerian coloured stone production is obtained at the Tucson gem shows.

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Sections of imitation boulder.
Imitation Rubellite Boulders

Specimens presented as rubellite tourmaline rough are found to be resin imitations with lead inserts.

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2016 GJX show at Tucson
Tucson 2016

An overview of the 2016 gem shows.

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Wheel of Light Numinous pendant
Wheel of Light’s Mesmerising Optics

A closer look at the Spectrum award-winning pendant from Nature’s Geometry.

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Ancient Tourmaline and Beryl from Afghanistan

Examination of a large private collection of beads and carvings from antique excavations, assembled in the 1970s by a collector in Afghanistan.

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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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Spring 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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Autumn 2011 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 2011 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.

Read More