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Image of smartphone camera taking a photo of a gold brooch with gems
Article
How to Photograph Gems & Jewelry

Learn tips and tricks for taking great photos of gems and jewelry, even from your mobile device’s high-resolution camera.

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

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

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Article
Sri Lanka: Treasure Island

A gemological tour of Sri Lanka’s gemstones.

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Reactor-Irradiated Green Topaz

Examination of samples of faceted "Ocean green" topaz reveals that this material has been irradiated in a nuclear reactor.

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Thermal Alteration of Inclusions in "Rutilated" Topaz

Faceted colorless topaz containing acicular inclusions has been offered for sale as "rutilated" topaz.

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Gemstone Durability: Design to Display

A treatise on the design, display, care and repair of fine gemstones.

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Altering the Color of Topaz

A review of the various techniques in use today to change colorless topaz to a variety of hues.

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Irradiated Topaz and Radioactivity

Large quantities of colorless topaz are currently being treated by gamma irradiation to turn them blue.

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Abstracts; Summer 1991

From the Summer 1991 issue of Gems & Gemology, a summary of important gemology-related articles published in other journals.

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