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Showing posts with label Geographic Origin of Colored Stones. Show all posts
Showing posts with label Geographic Origin of Colored Stones. Show all posts

Thursday, February 06, 2020

The Geographic Origin Dilemma

Insightful report by the GIA. A must read. Geographic origin of colored stones is today one of the least understood subjects the industry has ever experienced.


Useful link:
https://www.gia.edu/gems-gemology/winter-2019-geographic-origin-dilemma