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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.

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.