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Showing posts with label Colored Pearl Treatment Screening. Show all posts
Showing posts with label Colored Pearl Treatment Screening. Show all posts

Saturday, August 01, 2020

Fluorescence Spectroscopy For Colored Pearl Treatment Screening

Take a look at the six treated color pearls (left) and six naturally colored pearls (right). The samples included both freshwater and saltwater pearls of colors frequently seen in the pearl market.


Useful link:
https://www.gia.edu/gems-gemology/spring-2020-labnotes-spectroscopy-colored-pearl-treatment-screening