Call number:
E9
Classification:
Chain Silicates (Amphibole Group)
Translated title:
Glaucophane - Almandine
Place of origin:
Syros isl., Greece
Depositional environment:
High pressure/low temperature blueschists
Description:
Glaucophane-almandine-mica schist
Chemical formula:
Glaucophane: Na2(Mg,Fe)3Al2Si8O22(OH)2 ; Almandine: Fe3Al2(SiO4)3
Crystal system:
Glaucophane: Monoclinic ; Almandine: Isometric
Crystal schema:
Glaucophane: Prismatic ; Almandine: Hexoctahedral
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