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

More of the Interesting and Unusual – Tucson 2014

Duncan Pay
April 30, 2014
Emerald crystal with multi-phase inclusion
Figure 1. This emerald crystal, reportedly from Muzo, Colombia, is approximately 35 mm long and contains an eye-visible multi-phase inclusion. The gas bubble within the inclusion moves a few millimeters as the crystal is tilted. Photo by Duncan Pay, courtesy of William Johnson, Natural Formations.

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 Emerald

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

Why We Love Turquoise
Learn about turquoise history, research, quality factors, and more in the GIA Gem Encyclopedia.
 
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