Research Article Search Results

Gray Spinel: A New Trend in Colored Stones
In recent years, the colored stone world has seen a growing appetite for unusual colors.
Jewelry Development Impact Index
The Jewelry Development Impact Index (JDI), one of the initiatives from the second Jewelry Industry Summit in January 2017, has become the flagship project of the Minerals, Materials and Society (MMS) program at the University of Delaware. Patricia Syvrud, development manager of MMS, discussed the program, which she calls a “road map to responsibility.”

Derek Katzenbach: Faceter, Gem Artist, Custom Jeweler
Maine-based designer Derek Katzenbach discusses his education and inspiration.

Thoughts on the Chinese and Japanese Gem Markets
Shahin Aboosalih of SR Trading shares his insights on the gem and jewelry industry.

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

CVD Layer Grown on Natural Diamond
A composite of synthetically grown and natural diamond was recently identified by the Carlsbad laboratory.

Pink Diamonds, Russia’s Amber Room, and More…

Chart: Inclusions in Natural, Synthetic, and Treated Diamond
Provides a visual guide to the internal features of natural, synthetic, and treated diamonds.

The History and Reconstruction of the Amber Room
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.

Diamonds from the Deep: How Do Diamonds Form in the Deep Earth?
Surprisingly, diamonds do not all form in the same way, but rather they form in various environments and through varying mechanisms.

The Color Origin of Gem Diaspore: Correlation to Corundum
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.

The Gemological Characteristics of Pipi Pearls Reportedly from Pinctada maculata
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.




