A History of Diamond Treatments
Emeralds from the Fazenda Bonfim Region, Rio Grande do Norte, Brazil
In 2006, emeralds were discovered in the Fazenda Bonfim region of northeastern Brazil.
An Investigation of a Suite of Black Diamond Jewelry
Gem Characterization
Diamond Geology
The Occurrence and Gemological Properties of Wessels Mine Sugilite
The Fluid Art of Angela Conty
The Identification of Turquoise by Infrared Spectroscopy and X-Ray Powder Diffraction
Identifying Gem-Quality Synthetic Diamonds: An Update
Pink Diamonds from Australia
The author reports on a sudden influx of natural fancy pink diamonds and their origins.
A Simple Procedure to Separate Natural from Synthetic Amethyst on the Basis of Twinning
Fall 1986 G&G Lab Notes
Inamori Synthetic Cat's-Eye Alexandrite
An Economic Review of the Past Decade in Diamonds
The Capoeirana Emerald Deposit near Nova Era, Minas Gerais, Brazil
ベトナムのルビーとファンシーサファイア (英語)
Gem-quality rubies and pink to purple sapphires are being recovered from the Luc Yen and Quy Chau mining regions of Vietnam.
Gem-Quality Grossular-Andradite: A New Garnet from Mali
Large Aqueous Primary Fluid Inclusion in Amethyst
A Review of HPHT Synthetic Diamonds Grown forJewelry Use
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