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GIA's Gübelin Gem Project: Various Gems, Olivine - Rutile

Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.

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A large red-orange crystal of wulfenite is nestled in the arms of matrix.
Article
Arizona Road Trips: Wild West Gem and Mineral Localities

Arizona’s scenic desert and mountain landscape is the perfect backdrop for a modern Wild West road trip in search of gem and mineral treasures.

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Multi-colored gems are superimposed on an image of glacier peaks.
Article
Gems and Minerals from the Sub-Arctic

Circumnavigate the boreal reaches of the globe to explore gems from polar regions.

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Peridot from Sardinia, Italy
Characterisation of Peridot from Sardinia, Italy

Gem-quality peridot is occasionally found as mantle xenoliths within basalts near Pozzomaggiore.

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Worker attaching wax forms
Article
Shenzhen: The Frontier of China’s Gem and Jewellery Industry

All jewellery professionals are familiar with the city of Shenzhen, a global jewellery manufacturing centre and a leader of China’s fast-growing gem and jewellery industry. Join the GIA team as we tour the city and discover more about its leading jewellery brands.

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A Survey of the Gemstone Resources of China

China has identified many deposits with significant potential to produce gemstones; various species are discussed.

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Peridot as an Interplanetary Gemstone

The stony-iron meteorites known as pallasites are famed for the areas of yellowish green olivines they contain.

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San Carlos Peridot

Marketed throughout the world, San Carlos material is often confused with, and sold as, peridot from localities that are better known and documented.

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Raquel Alonso-Perez
Article
2014 Sinkankas Symposium on Peridot and Green Gems

Peridot and uncommon green gems were the theme of the 12th annual Sinkankas Symposium.

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The Gemmological Characteristics of Chinese Peridot

Chinese peridot is similar to peridots from other localities.

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