Sally Eaton-Magaña and Christopher M. Breeding, April 28, 2016
Presents the underlying physics and methodology of this analytical technique, which has become an essential tool in identifying treated and synthetic diamonds.
Read MoreEvan M. Smith, Steven B. Shirey, and Wuyi Wang, November 8, 2017
Explores an exceptional family of diamonds, referred to as “CLIPPIR” (Cullinan-like, Large, Inclusion-Poor, Pure, Irregular and Resorbed), that formed in a super-deep environment.
Read MoreD. Brian Thompson, Christian J. Bayens, Matthew B. Morgan, Taylor J. Myrick, and Nealey E. Sims, November 8, 2017
Compares PL spectroscopy data of 48 emerald samples from three countries to evaluate the usefulness of the technique in geographic origin determination.
Read MoreSally Eaton-Magaña, James E. Shigley, and Christopher M. Breeding, November 8, 2017
Summarises statistical data and distinctive features of several thousand gem-quality HPHT synthetic diamonds examined by GIA from 2007 through 2016.
Read MoreAhmadjan Abduriyim, Kazuko Saruwatari, and Yusuke Katsurada, May 5, 2017
Examines the sources, colour, texture and chemical composition of jadeite from Japanese deposits.
Read MoreXiayang Lin and Peter J. Heaney, May 8, 2017
Describes the occurrence of iridescence, and the role of differential etching, in quartz crystals from India’s Jalgaon District.
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