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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
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).
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