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Tourmaline as a Gemstone

Written By Gem-A on Thursday, Feb 03, 2022 | 04:55 AM

 
Brendan Laurs MS, GG, FGA is editor-in-chief of The Journal of Gemmology published by Gem-A, and is based in southern California. He is a gemmologist and geologist specialising in the formation of coloured gemstone deposits.

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