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Showing posts with label Ziyin Sun. Show all posts
Showing posts with label Ziyin Sun. Show all posts

Wednesday, August 14, 2019

A New Method For Determining Gem Tourmaline Species By LA-ICP-MS

Simple gemological tests to separate various species and their varieties in the tourmaline group is difficult. LA-ICP-MS is beyond the reach of most gem testing laboratories in the world. Only a few gem testing laboratories like the GIA can afford and research known gem materials. So hats off to the GIA for sharing the research report.

Useful link:
https://www.gia.edu/gems-gemology/spring-2019-method-determining-tourmaline-species-la-icp-ms