Must read for gemologists, gem dealers, and gem treatment specialists. Insightful report on aquamarine and heliodor, and iron, the color causing element.
Useful link:
https://www.gia.edu/gems-gemology/spring-2020-color-characteristics-blue-to-yellow-beryl
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 Yang Hu. Show all posts
Showing posts with label Yang Hu. Show all posts
Monday, July 27, 2020
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