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Gem Pegmatites of Minas Gerais, Brazil: Exploration, Occurrence and Aquamarine Deposits

Keith Proctor, June 1, 1984

First in a series, this article reviews the exploration for gemstones and mining methods in Minas Gerais, Brazil.

Gem-Bearing Pegmatites: A Review

James E. Shigley and Anthony R. Kamp, June 1, 1984

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

Abstracts; Summer 1991

Dona M. Dirlam

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

Abstracts; Spring 1991

Dona M. Dirlam

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

Aquamarine from the Masino-Bregaglia Massif, Central Alps, Italy

Rosangela Bocchio, Ilaria Adamo, and Franca Caucia

Aquamarine from granitic pegmatites of the Masino-Bregaglia Massif, Central Alps, Italy.

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