Robert E. Kane
An Updated Chart on the Characteristics of HPHT-Grown Synthetic Diamonds
James E. Shigley, Christopher M. Breeding, and Andy Hsi-Tien Shen
A New Method for Detecting Be Diffusion-Treated Sapphires: Laser-Induced Breakdown Spectroscopy (LIBS)
Michael S. Krzemnicki, Henry A. H‰nni, and Roy A. Walters
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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