General Questions:
1-800-421-7250
A first-hand look at Colombia’s emerald mines and the cutting and trading industry in Bogotá.
Read More
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 MoreA 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 MoreFrom the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
Read More
Brazil has become a leading producer of emeralds; this article examines one of the most significant deposits.
Read More
Want to see into the future? Be an eloquent speaker? Defeat spells and enchantments? Such is the lore of the emerald.
Read MoreThis 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 MoreThis 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 MoreThe Coscuez mine, one of a number in Colombia, is rapidly gaining significance as a major source of fine emeralds.
Read MoreThis article reports on three gem materials currently being mined in Pakistan.
Read More
