Research Article Search Results
Rare Emerald from China and Pink Sapphire from Sri Lanka
Fall 1986 G&G Lab Notes
Rubies and Fancy Sapphires from Vietnam
Gem-quality rubies and pink to purple sapphires are being recovered from the Luc Yen and Quy Chau mining regions of Vietnam.
Fall 2012 Gem News International
Spring 2004 Gem News International
Fall 2002 Gem News International
Update on Montana’s Rock Creek Sapphire
Chart: Inclusions in Natural, Synthetic, and Treated Sapphire
Provides a visual guide to the internal features of natural, synthetic, and treated sapphires.
Inclusion Resembling a Gada in Diamond
Zeki Karaca Jewelry: Luxury Pens
Two Pearls of Indian Cultural Significance
Liberian Ruby
A trip to a rural Liberian diamond mining community results in a newly discovered source of corundum.




