An insightful report by the GIA on Paraiba tourmaline. Must read.
Useful link:
https://www.gia.edu/gems-gemology/winter-2019-paraiba-tourmaline-geographic-origin-determination
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 Origin Report. Show all posts
Showing posts with label Origin Report. Show all posts
Tuesday, March 17, 2020
Saturday, March 14, 2020
Geographic Origin Determination Of Ruby
Insightful report by the GIA.
Useful link:
https://www.gia.edu/gems-gemology/winter-2019-ruby-geographic-origin-determination
Useful link:
https://www.gia.edu/gems-gemology/winter-2019-ruby-geographic-origin-determination
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