Must read. Insightful report on the causation of color in corundum by the researchers at Gemological Institute of America.
Useful link:
https://www.gia.edu/gems-gemology/spring-2020-corundum-chromophores
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 Jennifer Stone-Sundberg. Show all posts
Showing posts with label Jennifer Stone-Sundberg. Show all posts
Saturday, July 25, 2020
Tuesday, August 14, 2018
Vibrantly Colored Gems
Colored stones update.
Useful link:
https://www.gia.edu/gems-gemology/spring-2018-gemnews-vibrantly-colored-gems
Useful link:
https://www.gia.edu/gems-gemology/spring-2018-gemnews-vibrantly-colored-gems
Thursday, March 01, 2018
Thursday, May 18, 2017
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