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Solution-Generated Pink Color Surrounding Growth Tubes and Cracks in Blue to Blue-Green Copper-Bearing Tourmalines
Solution-Generated Pink Color Surrounding Growth Tubes and Cracks in Blue to Blue-Green Copper-Bearing Tourmalines from Mozambique

Several transparent, faceted, blue to blue-green copper-bearing tourmalines containing growth tubes and cracks surrounded by sleeves of pink color were examined for this report.

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Worker attaching wax forms
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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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Gemstone Durability: Design to Display

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

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The Elahera Gem Field in Central Sri Lanka

The Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.

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Abstracts; Spring 1991

This article, from the Spring 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.

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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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Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Winter 2009

This article, from the Winter 2009 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.

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