Abstracts; Summer 2009
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.
Emeralds of Colombia
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.
The Santa Terezinha De Goias Emerald Deposit
Brazil has become a leading producer of emeralds; this article examines one of the most significant deposits.
The Coscuez Mine: A Major Source of Colombian Emeralds
The Coscuez mine, one of a number in Colombia, is rapidly gaining significance as a major source of fine emeralds.
Gemstones of Pakistan: Emerald, Ruby and Spinel
This article reports on three gem materials currently being mined in Pakistan.
Emeralds of the Panjshir Valley, Afghanistan
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.