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Chalcophyllite

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ESM563419

Chalcophyllite

Description Tabs

Description
Locality: 
Salsigne Mine, Salsigne, Aude, Occitanie, France
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.8 × 4.8 × 3.2 cm
Description

Transparent green hexagonal chalcophyllite plates with blue botryoidal cyanotrichite crystals

Mineral Data
What's on the rock

Chalcophyllite

Formula: 
Cu18Al2(SO4)3(AsO4)3(OH)27·33H2O
Strunz: 
8.DF.30
Crystal System: 
Trigonal
Hardness: 
2.0