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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.

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.

A Status Report on Gemstones from Afghanistan

Gary W. Bowersox, December 1, 1985

An overview of the plentiful and various gem materials being discovered and produced in Afghanistan.

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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