Darwin Fortaleché, Andrew Lucas, Jonathan Muyal, Tao Hsu, and Pedro Padua, November 8, 2017
A first-hand look at Colombia’s emerald mines and the cutting and trading industry in Bogotá.
Read MoreBrendan 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.
Read MorePeter 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.
Read MoreDona M. Dirlam
From the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
Read MoreJ. 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.
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Want to see into the future? Be an eloquent speaker? Defeat spells and enchantments? Such is the lore of the emerald.
Read MoreDona 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.
Read MoreDona M. Dirlam
This article, from the Autumn 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemology.
Read MoreRon Ringsrud, June 1, 1986
The Coscuez mine, one of a number in Colombia, is rapidly gaining significance as a major source of fine emeralds.
Read MoreE. J. Gübelin, September 1, 1982
This article reports on three gem materials currently being mined in Pakistan.
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