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Thursday, July 30, 2020

Unusually Large Grandidierite

Lab Notes. GIA Carlsbad. The green-blue translucent to semi-translucent grandidierite weighs approximately 763.5 carats. Take a look.


Useful link:
https://www.gia.edu/gems-gemology/spring-2020-labnotes-unusually-large-grandidierite

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