FALL 2016 VOLUME LII THE UARTERLY JOURNAL OF THE GEMOLOGICAL INSTITUTE OF AMERICA Review of CVD Synthetic Diamonds Reversible Color Alteration of Blue Zircon Sapphires from the Russian Far East Grandidierite from Madagascar Editorial Staff Editor-in-Chief Editors, Lab Notes Contributing Editors Duncan Pay Thomas M. Moses James E. Shigley gia.edu/gems-gemology
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