Gem News International
Gems & Gemology, Spring 2014, Vol. 50, No. 1

Fine Corundum, Paraíba Tourmaline, and Alexandrite – Tucson 2014

Duncan Pay
April 30, 2014
Large Sri Lankan alexandrite
Figure 1. This remarkable 112.82 ct Sri Lankan alexandrite, seen under incandescent (left) and fluorescent lighting (right), is unusually large. Photos by Robert Weldon; courtesy of B&B Fine Gems.

Inside Tucson 2014

Explore the 2014 Tucson Gem show with GIA.
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Inside Tucson 2013

Eighteen interviews with trade experts, from one of the world’s largest gem shows.
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Learn More About Alexandrite

Why We Love Alexandrite
Explore alexandrite history, research, quality factors, and more in the GIA Gem Encyclopedia.
 
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Learn More About Tourmaline

Why We Love
Explore tourmaline history, research, quality factors, and more in the GIA Gem Encyclopedia.
 
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