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  • Cover of Gems & Gemology Winter 2012 issue, featuring pearls against silky clam shell background

Winter 2012

  • $15.00

The PDF version of this issue is available at no charge. Visit www.gia.edu

Recent Advances in Understanding the Geology of Diamonds
Steven B. Shirey and James E. Shigley

Blue Sapphires from the Baw Mar Mine in Mogok
Hpone-Phyo Kan-Nyunt, Stefanos Karampelas, Klemens Link, Kyaw Thu, Lore Kiefert, and Pierre Hardy

Update on Gemstone Mining in Luc Yen, Vietnam
Pham Van Long, Vincent Pardieu, and Gaston Guiliani

Characteristics of Coated Jadeite Jade
Jian Zhang, Taijin Lu, and Hua Chen

Every issue also includes the most up-to-date reports from the GIA Laboratory (Lab Notes) and gemologists around the world (Gem News International).

GIA students and alumni save 10% on back issues! Enter coupon code GGALUM at checkout.

SKU: 13wn