Star Opal
Wasura Soonthorntantikul, July 25, 2014
An opal featuring a rare six-rayed star is examined in GIA's Bangkok lab.
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Water Immersion Reveals Dye in Fire Opal
Larry Tai-An Lai, October 17, 2013
A simple test easily detected dye treatment in fire opal.
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Article
Star Opal
Wasura Soonthorntantikul, June 27, 2014
An opal featuring a rare six-rayed star is examined in GIA's Bangkok lab.
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Article
Pyrope Garnet and Montana Sapphires Highlight Winter 2015 G&G
Russell Shor, February 1, 2016
G&G Brief presents an overview of the content of the Winter 2015 issue of Gems & Gemology.
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