Robert E. Kane and Richard T. Liddicoat, Jr., September 1, 1985
A new synthetic emerald exhibits some characteristics that are distinctly different from other synthetic emeralds, such as gold inclusions.
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 MoreShane F. McClure, Thomas M. Moses, December 1, 1999
One of the greatest concerns with emerald filling is the degree of clarity enhancement such treatment represents
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