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
Garnets, Sapphires, Opals, and Tarnish on High-Purity Gold
Emeralds and the Power of the Pink City
Imitation Rubellite Boulders
Dyed Green Beryl
Mixing of Natural Diamonds with HPHT Synthetic Melee
The World’s Biggest Diamonds: Windows into the Earth’s Deep Mantle
Unique Star Sapphire with Transparent Core
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
Large Namibian Demantoid Garnet
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