Feature articles from this issue: Gem Deposits by Wim Vertriest, Aaron C. Palke, and Nathan D. Renfro A Review of Analytical Methods Used in Geographic Origin Determination of Gemstones by Lee A. Groat, Gaston Giuliani, Jennifer Stone-Sundberg, Ziyin Sun, Nathan D. Renfro, and Aaron C. Palke Geographic Origin Determination of Blue Sapphire by Aaron C. Palke, Sudarat Saeseaw, Nathan D. Renfro, Ziyin Sun, and Shane F. McClure Geographic Origin Determination of Ruby by Aaron C. Palke, Sudarat Saeseaw, Nathan D. Renfro, Ziyin Sun, and Shane F. McClure Geographic Origin Determination of Emerald by Sudarat Saeseaw, Nathan D. Renfro, Aaron C. Palke, Ziyin Sun, and Shane F. McClure Geographic Origin Determination of Paraíba Tourmaline by Yusuke Katsurada, Ziyin Sun, Christopher M. Breeding, and Barbara L. Dutrow Geographic Origin Determination of Alexandrite by Ziyin Sun, Aaron C. Palke, Jonathan Muyal, Dino DeGhionno, and Shane F. McClure What’s Next? by Shane F. McClure, Thomas M. Moses, and James E. Shigley GIA students and alumni save 10% on back issues! Enter coupon code GGALUM at checkout. Usually ships in 3-5 business days. SKU: 4301901
