A unique gem chemistry profile.
Useful link:
https://www.gia.edu/gems-gemology/spring-2019-labnotes-low-fe-high-v-color-change-burmese-sapphire
P.J.Joseph's Weblog On Colored Stones, Diamonds, Gem Identification, Synthetics, Treatments, Imitations, Pearls, Organic Gems, Gem And Jewelry Enterprises, Gem Markets, Watches, Gem History, Books, Comics, Cryptocurrency, Designs, Films, Flowers, Wine, Tea, Coffee, Chocolate, Graphic Novels, New Business Models, Technology, Artificial Intelligence, Robotics, Energy, Education, Environment, Music, Art, Commodities, Travel, Photography, Antiques, Random Thoughts, and Things He Like.
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Showing posts with label Rebecca Tsang. Show all posts
Showing posts with label Rebecca Tsang. Show all posts
Thursday, July 11, 2019
Thursday, March 08, 2018
Friday, June 17, 2016
Unusual Colored Stones
Take a look.
Useful link:
http://www.gia.edu/gems-gemology/spring-2016-labnotes-unusual-colored-stones
Useful link:
http://www.gia.edu/gems-gemology/spring-2016-labnotes-unusual-colored-stones
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