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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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Gem Pegmatites of Minas Gerais, Brazil: The Tourmalines of the Governador Valadares District

A further article exploring tourmaline mines in another part of Minas Gerais.

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Interesting Red Tourmaline from Zambia

A new source of red tourmaline is identified in Zambia.

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Gem-Bearing Pegmatites: A Review

A survey of the current gemological knowledge of pegmatites, including the gem varieties aquamarine, tourmaline, and topaz.

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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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