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Ferro-anthophyllite, Sekaninaite


Ferro-anthophyllite : ☐[Fe2+2][Fe2+5][(OH)2|Si8O22], Sekaninaite : (Fe,Mg)2Al4Si5O18

Photo Copyright © Jakub Jirásek, 2005  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Dolní Bory, Žďár nad Sázavou, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic
Needles of ferro-anthophyllite up to 4 cm on cleavage plane (001) of sekaninaite. Ferro-anthophyllite with biotite are products of weathering and decay of sekaninaite. Collection of author.

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