Update on Emeralds from the Sandawana Mines, Zimbabwe
Zimbabwe’s Sandawana mines have been an important producer of emeralds for 40 years.
An Update on the Ural Emerald Mines
The emeralds of the Ural Mountains, in what is now called the Russian Federation, have been known for more than 160 years.
Emeralds from the Ural Mountains, USSR
Emeralds are again being mined in the historic district of the Ural Mountains. Physical, chemical, spectroscopic and microscopic characteristics of stones from the recent production are presented and compared with data on older samples as well as those reported in the literature.
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.
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.
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 from the Fazenda Bonfim Region, Rio Grande do Norte, Brazil
In 2006, emeralds were discovered in the Fazenda Bonfim region of north-eastern Brazil.