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  • Summer 2017

Summer 2017

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Feature articles from this issue:

  • Geology and Development of the Lomonosov Diamond Deposit, Northwestern Russia by Karen V. Smit and Russell Shor
  • Carbonado Diamond: A Review of Properties and Origin by Stephen E. Haggerty
  • Photoluminescence Mapping of Optical Defects in HPHT Synthetic Diamond by Lorne C. Loudin
  • An Update on Tourmaline from Luc Yen, Vietnam by Nguy Tuyet Nhung, Le Thi Thu Huong, Nguyen Thi Minh Thuyet, Tobias Häger, Nguyen Thi Le Quyen, and Tran Thi Duyen
  • Characterization of Mg and Fe Contents in Nephrite Using Raman Spectroscopy by Xiaoyan Feng, Yong Zhang, Taijin Lu, and Hui Zhang
  • Inclusions in Natural, Synthetic, and Treated Sapphire by Nathan D. Renfro, John I. Koivula, Jonathan Muyal, Shane F. McClure, Kevin Schumacher, and James E. Shigley
  • Big Sky Country Sapphire: Visiting Montanaís Alluvial Deposits by Tao Hsu, Andrew Lucas, Robert E. Kane, Shane F. McClure, and Nathan D. Renfro

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 student and alumni save 10% on back issues! Enter coupon code GGALUM and a GIA Student Number at checkout.

Buy the sapphire inclusion chart from this issue

SKU: 17su