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Three-Sided Phantom in Quartz
Quarterly Crystal: Wurtzite Phantom in Quartz

For the first time, wurtzite is found as an inclusion in gem material.

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A round, bright red gem displayed on a dark gray background.
Article
The Red Hot Gems of Summer

These red, pink and orange hued gems evoke passion and excitement – and are sure-fire accessories for sultry summer days.

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Spinel suites in a range of hues.
Fine Gems and Update from Myanmar

A look at top-quality gems and insight into a delegation’s visit to gem mines in Myanmar.

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Hunting for Spinels in Vietnam
Article
Seek the World’s Most Vivid Blue Spinel with GIA Field Gemmologists

Join GIA’s field gemmologists as they seek Vietnam’s exotic sky-blue spinel.

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Yellowish green spinel.
Unusual Yellowish Green Spinel

A spinel in a rarely seen colour is submitted to the New York lab.

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Rare spinel macle
“Star of David” Spinel Twin Crystal with Multiphase Inclusions from Mogok

A rare spinel, featuring a Star of David pattern and multiphase inclusions, is examined in Bangkok.

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Hunting for Ruby, Sapphire, and Spinel in Mogok, Myanmar
Article
GIA Field Gemmologists seek Ruby, Sapphire and Spinel in Mogok, Myanmar

Venture deep underground with GIA’s Field Gemmologists Vincent Pardieu and Dr. Aaron Palke as they explore the geology of Mogok’s ruby, sapphire and spinel deposits.

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Article
Spring 2015 G&G Examines Blue Spinel, Chinese Jewellery Design and the Latest in Synthetics

G&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.

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Winter 2012 G&G lab notes

This section, from the Winter 2012 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

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Autumn 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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