Research Article Search Results

An update on activity at the Coscuez emerald source, as well as ruby deposits in Mozambique.

Mother-and-son team Laurie and Geoffrey Watt (Mayer & Watt, Maysville, Kentucky) noted that while there were plenty of customers at the AGTA show this year, the formula for success was a wide selection of materials and competitive pricing.

Maine-based designer Derek Katzenbach discusses his education and inspiration.

Shahin Aboosalih of SR Trading shares his insights on the gem and jewelry industry.

Traveling gallery exhibits stunning mineral specimens during the Tucson gem shows.

A composite of synthetically grown and natural diamond was recently identified by the Carlsbad laboratory.

Provides a visual guide to the internal features of natural, synthetic, and treated diamonds.

Chronicles the history of this cultural landmark, originally assembled for the Prussian king between 1701 and 1714, and its reconstruction by the Soviet Union starting in 1979.

Surprisingly, diamonds do not all form in the same way, but rather they form in various environments and through varying mechanisms.

Examines the color origin of color-change diaspore, known commercially as Zultanite, and compare the effectiveness of the chromophores it shares in common with corundum.

Reveals the internal features and spectroscopic data of these small natural pearls and offers the means of separating them from pearls of related mollusk species.