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Chalcophyllite

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SHS695698

Chalcophyllite

ex. dealer stock Peter Bosse (Kassel/Germany)

Description Tabs

Description
Locality: 
St Day, Cornwall, United Kingdom
Class: 
Massive/Crystalline
Size Range: 
Micromount (under 1cm)
Size: 
0.6 × 0.5 × 0.4 cm
Description

Chalcophyllite on matrix

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