Yellow and Orange Diamonds, New Identification Techniques, and the Chronicles of Chivor
HPHT-Processed CVD Laboratory-Grown Diamonds with Low Color Grades
Lapis-Lazuli from Sar-E-Sang, Badakhshan, Afghanistan
Suggested Reading on Rubies and Their Inclusions
Suggested Reading on Rubies and Their Inclusions
Data Supplement
Compares the image quality provided by real-time microradiographic imaging (RTX) units fitted with two different detectors: an image intensifier (II) and a flat panel detector (FPD).
Color Origin of Lavender Jadeite: An Alternative Approach
Corundum with Spinel Corona from the Tan Huong–Truc Lau Area in Northern Vietnam
Explains the reactions responsible for the formation of a well-developed reaction rim of spinel that surrounds the corundum core in some specimens from this deposit.
Winter 2011 G&G Lab Notes
Winter 2012 Gem News International
A Fitting Conclusion to Our 80th Anniversary
Coated Lawsonite Pseudomorphs Presented as Chromian Lawsonite
Freshwater Pearls, Blister and Loose, with Their Host Shells
Pink Sapphires from Madagascar, Rose-Cut Colored Stones from the Baroque Era, Separating Blue Amber Localities, and More…
Coated Beryl Imitating Emerald
Coating on a beryl demonstrates the importance of thorough examination of jewelry and gem materials.
Filled Pearl with Surface Features
Quarterly Crystal: Shattuckite in Quartz
Pink Diamonds, Russia’s Amber Room, and More…
Very Large Irradiated Yellow Diamond
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