Insightful report from the GIA. Must read.
Useful link:
https://www.gia.edu/gems-gemology/summer-2019-evidence-rotation-flame-structure-pearls-from-bivalves-tridacnidae
P.J.Joseph's Weblog On Colored Stones, Diamonds, Gem Identification, Pearls, Organic Gems, Gem And Jewelry Enterprises, Gem Markets, Watches, Gem History, Books, Comics, Cryptocurrency, Designs, Films, Flowers, Food & Beverages, Hospitality, Small Luxury Hotels, Graphic Novels, 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 Thanh Nhan Bui. Show all posts
Showing posts with label Thanh Nhan Bui. Show all posts
Thursday, December 05, 2019
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