Gem News International Gems & Gemology, Spring 2022, Vol. 58, No. 1

18th Annual Sinkankas Symposium

GIA Staff

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Color-change alexandrite seen under daylight and incandescent light.
 
A 32.35 mm alexandrite twinned crystal and a 2.61 ct faceted alexandrite, both from Russia, shown in daylight (left) and incandescent light (right). Photos by Robert Weldon; courtesy of William Larson.

The 2022 Sinkankas Symposium, an annual event featuring presentations by specialists in gem-related disciplines, will follow a virtual format once again this year with pre-recorded sessions available on-demand. Sponsored by the Gemological Society of San Diego, the Geo-Literary Society, and GIA, the symposium will include 10 pre-recorded 30-minute presentations available to view from April 25 through June 6, highlighting alexandrite and other color-change gemstones (see above).

Speakers will include Evan Caplan, William Larson, Cigdem Lüle, Sally Eaton-Magaña, Niveet Nagpal, Nathan Renfro, Stuart Robertson, Aaron Palke, George Rossman, Wim Vertriest, and Robert Weldon. The presentations will cover a variety of topics regarding alexandrite and other color-change gemstones, from characteristics and sources to market trends and photography.

Registration closes June 1. The registration cost of $25 includes a PDF of the symposium volume, available June 23. Visit https://sinkankassymposium.net for more details.