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Preiswerkite


Preiswerkite : NaMg2Al[(OH)2|Al2Si2O10]

Photo Copyright © Knut Eldjarn  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Geisspfad area, Binn Valley, Wallis (Valais), Switzerland
A 1 cm aggregate with green Preiswerkite in matrix from the type locality at Geisspfad,Binntal, Switzerland. Specimen and photo: Knut Eldjarn.

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