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Brammallite


Brammallite : Na0.65Al2.0ٱAl0.65Si3.35O10(OH)2

Photo Copyright © 2007, Jeffrey G. Weissman  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Ione Clays Mine (Ione-Carbondale Clays), Ione, Amador Co., California, USA
Brown-black massive material, 2 cm specimen, courtesy of Excalibur Mineral.

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