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Chalcophyllite

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CR119932

Chalcophyllite

Description Tabs

Description
Locality: 
Špania Dolina, Banská Bystrica County, Banská Bystrica Region, Slovakia (Slovak Republic)
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 3.6 × 3 cm
Description

Very rich specimen of tabular chalcophyllite crystals with minor associated azurite.

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