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Chalcophyllite

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CR639186

Chalcophyllite

Rare Mineral

Description Tabs

Description
Locality: 
Špania Dolina, Banská Bystrica County, Banská Bystrica Region, Slovakia (Slovak Republic)
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 5.5 × 2.5 cm
Description

Sharp and gemmy, tabular chalcophyllite crystals very rich on a bed of blue azurite.

Beautiful specimen.

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