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Monday, July 27, 2020

Color Characteristics Of Blue To Yellow Beryl From Multiple Origins

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

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