A new gem identification toolkit.
Useful link:
https://www.gia.edu/gems-gemology/fall-2017-labnotes-screening-mounted-melee
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 Paul Johnson. Show all posts
Showing posts with label Paul Johnson. Show all posts
Friday, December 29, 2017
Tuesday, December 12, 2017
Monday, August 14, 2017
Thursday, May 11, 2017
Sunday, April 03, 2016
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