Fall 2012 Gem News International
Tsavorite and Other Grossulars from Itrafo, Madagascar
Since 2002, tsavorite and other grossular varieties have been recovered from a primary deposit at Itrafo, a village in the Andrembesoa area of central Madagascar.
“Red” Chrysoberyl versus Alexandrite: The Impact of Elevated Chromium Levels on Color and Color-Change Properties
Books: The Art of Bulgari:La Dolce Vita and Beyond, 1950–1990
Liddicoatite Tourmaline from Anjanabonoina, Madagascar
Trapiche and More...
Serpentine Cabochon with Unusual Olive Green Color
Glassy Melt Inclusions in Sapphires from Montana
Two-phase inclusions are investigated in alluvial sapphires from deposits in Montana.
Molybdenite in Topaz
Charting the Increasing Availability and Quality of CVD Synthetic Diamonds
Aquamarine from a New Primary Deposit in Mexico
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.
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