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Tuesday, April 23, 2019

The Gemological Characteristics Of Pipi Pearls Reportedly From Pinctada Maculata

A meticulous report on Pipi Pearls from GIA's Bangkok Gem Testing Laboratory.

Useful link:
https://www.gia.edu/gems-gemology/winter-2018-characteristics-pipi-pearls-from-pinctada-maculata

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