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Zeolite Group, Prehnite, Epidote, Quartz


Zeolite Group, Prehnite : Ca2Al2Si3O12(OH), Epidote : {Ca2}{Al2Fe3+}[O|OH|SiO4|Si2O7], Quartz : SiO2

Photo Copyright © 2007 Simon Cavanak  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Gneiss quarries, Arvigo, Calanca Valley, Misox (Mesolcina Valley), Grischun (Grisons; Graubünden), Switzerland
Field of view: 1cm
A Zeolite (Scolecite?), Prehnite, Epidote, Quartz (from left to right).


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