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Emeralds of the Panjshir Valley, Afghanistan

Gary Bowersox, Lawrence W. Snee, March 1, 1991

With the withdrawal of Soviet troops from Afghanistan, villagers in the Panjshir Valley are turning their attention to the emerald riches of the nearby Hindu Kush Mountains.

The Coscuez Mine: A Major Source of Colombian Emeralds

Ron Ringsrud, June 1, 1986

The Coscuez mine, one of a number in Colombia, is rapidly gaining significance as a major source of fine emeralds.

The Santa Terezinha De Goias Emerald Deposit

J. P. Cassedanne and D. A. Sauer, March 1, 1984

Brazil has become a leading producer of emeralds; this article examines one of the most significant deposits.

Gemstones of Pakistan: Emerald, Ruby and Spinel

E. J. Gübelin, September 1, 1982

This article reports on three gem materials currently being mined in Pakistan.

Emeralds of Colombia

Peter C. Keller, June 1, 1981

A comprehensive review of the history and geology of Colombian emeralds together with descriptions of some of the most famous gems to come from this locality.

Abstract Header from the 2009 issue of Gems & Gemology

Abstracts; Summer 2009

Brendan M. Laurs, Thomas W. Overton

This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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