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  • Winter 2019

Winter 2019

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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

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