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Chalcophyllite

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SHS87688

Chalcophyllite

Description Tabs

Description
Locality: 
Teniente Mine, El Teniente, Cachapoal Province, O'Higgins Region, Chile
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 2.7 × 0.9 cm
Description

Green chalcophyllite crystals 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