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Martinite


Martinite : (Na,Ca)11Ca4(Si,S,B)14B2O40F2·4H2O

Photo Copyright © 2006 Jason B. Smith  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville Co., Québec, Canada
Tiny, .2mm plates of martinite. JBS specimen and photo.

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