Never guess. Visual observation has its limitations.
Useful link:
https://www.gia.edu/gems-gemology/summer-2019-labnotes-hollow-pearl-filled-with-foreign-material
P.J.Joseph's Weblog On Colored Stones, Diamonds, Gem Identification, Synthetics, Treatments, Imitations, Pearls, Organic Gems, Gem And Jewelry Enterprises, Gem Markets, Watches, Gem History, Books, Comics, Cryptocurrency, Designs, Films, Flowers, Wine, Tea, Coffee, Chocolate, Graphic Novels, New Business Models, Technology, Artificial Intelligence, Robotics, Energy, Education, Environment, Music, Art, Commodities, Travel, Photography, Antiques, Random Thoughts, and Things He Like.
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Showing posts with label Nanthaporn Nilpetploy. Show all posts
Showing posts with label Nanthaporn Nilpetploy. Show all posts
Friday, November 08, 2019
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
Useful link:
https://www.gia.edu/gems-gemology/winter-2018-characteristics-pipi-pearls-from-pinctada-maculata
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