Afghan Emerald, Tajik Ruby, and Clarity-Enhanced Tourmaline
Blue Sapphires From a New Deposit Near Andranondambo, Madagascar (英语)
A recent rush in Madagascar yields new sapphire production.
Wheel of Light’s Mesmerizing Optics
GILC 2016
Fordite from the Corvette Assembly Plant
Update on the Scorpion Tsavorite Mine
A look at the resumed operations and new production of Kenya’s Scorpion tsavorite mine.
Rare Emerald from China and Pink Sapphire from Sri Lanka
Paula Crevoshay’s American Collection, Plus Jewelry with Nontraditional Gemstones (英语)
Lesser-known gem materials are seen in pieces alongside a collection created as an artistic inheritance for future generations of jewelry fans.
Large Colorless HPHT Synthetic Gem Diamonds from China (英语)
A report on the HPHT growth of large, gem-quality colorless synthetic diamonds in China.
“Star of David” Spinel Twin Crystal with Multiphase Inclusions from Mogok
A rare spinel, featuring a Star of David pattern and multiphase inclusions, is examined in Bangkok.
Red Cordierite from Madagascar (英语)
The gemological properties of the first documented occurrence of red cordierite, from Madagascar, are examined.
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