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  • Cover of Gems & Gemology Fall 2012 issue, featuring rough red gem and polished gems

Fall 2012

  • $15.00

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

Gemstones from Vietnam: An Update
Le Thi-Thu Huong, Tobias Hager, Wolfgang Hofmeister, Christoph Hauzenberger, Dietmar Schwarz, Pham Van Long, Ursula Wehmeister, Nguyen Ngoc Khoi, and Nguy Tuyet Nhung

Tsavorite and Other Grossulars from Itrafo, Madagascar
Ilaria Adamo, Valeria Diella, and Federico Pezzotta

Characterization of a Synthetic Nano-Polycrystalline Diamond Gemstone
Elise A. Skalwold, Nathan Renfro, James E. Shigley, and Christopher M. Breeding

Spectral Characteristics of Natural-Color Saltwater Cultured Pearls from Pinctada Maxima
Stefanos Karampelas

Turquoise from Zhushan County, Hubei Province, China
Quanli Chen, Zuowei Yin, Lijian Qi, and Yan Xiong

Inclusions in Aquamarine from Ambatofotsikely, Madagascar
Fabrice Danet, Marie Schoor, Jean-Claude Boulliard, Daniel R. Neuville, Olivier Beyssac, and Vincent Bourgoin

*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.

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