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Thursday, April 25, 2019

Microscopic Observations Of Blue Sapphires Treated With Heat And Pressure

There will be always news ways to enhance colored stones because of new technology, rough materials from new sources, money, with a bit of gambling mindset.

Useful link:
https://www.gia.edu/gems-gemology/winter-2018-gemnews-microscopic-observations-blue-sapphires-treated-heat-pressure

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