The PDF version of this issue is available at no charge. Visit www.gia.edu Recent Advances in Understanding the Geology of DiamondsSteven B. Shirey and James E. ShigleyBlue Sapphires from the Baw Mar Mine in MogokHpone-Phyo Kan-Nyunt, Stefanos Karampelas, Klemens Link, Kyaw Thu, Lore Kiefert, and Pierre HardyUpdate on Gemstone Mining in Luc Yen, VietnamPham Van Long, Vincent Pardieu, and Gaston GuilianiCharacteristics of Coated Jadeite JadeJian Zhang, Taijin Lu, and Hua ChenEvery 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. Usually ships in 3-5 business days. SKU: 4301301
