Karl Schmetzer, March 1, 1996
A new type of Russian hydrothermal synthetic emerald is produced.
Read MoreGary 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.
Read MoreDominique Robert, Emmanuel Fritsch, December 1, 1990
This article describes a new manufactured gem material marketed under the trade name "Emeraldolite," which is an epitaxial growth of flux synthetic emerald on opaque white beryl.
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 MoreGary W. Bowersox, December 1, 1985
An overview of the plentiful and various gem materials being discovered and produced in Afghanistan.
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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