Only for the skilled with good rough sapphires knowledge.
Useful link:
https://www.gia.edu/gems-gemology/summer-2019-madagascar-sapphire-heat-treatment-experiments
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 Rosey Perkins. Show all posts
Showing posts with label Rosey Perkins. Show all posts
Thursday, November 07, 2019
Monday, October 28, 2019
Madagascar Sapphire: Low-Temperature Heat Treatment Experiments
The colored stone treatments will go on forever. Hats off to the GIA reviews.
Useful link:
https://www.gia.edu/gems-gemology/summer-2019-madagascar-sapphire-heat-treatment-experiments
Useful link:
https://www.gia.edu/gems-gemology/summer-2019-madagascar-sapphire-heat-treatment-experiments
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