An insightful report on several inclusions in ruby and sapphire from this deposit.
Useful link:
https://www.gia.edu/gems-gemology/fall-2019-corundum-from-bo-welu-thailand
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 Supparat Promwongnan. Show all posts
Showing posts with label Supparat Promwongnan. Show all posts
Monday, December 30, 2019
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