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Chalcostibite

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CR659929

Chalcostibite

Classic Locality

Description Tabs

Description
Locality: 
Boldut Mine, Cavnic, Maramureș County, Romania
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 2.5 × 3.3 cm
Description

Excellent upright bladed crystals of greyish/black chalcostibite to 4 mm with a very high lustre on galena-siderite-pyrite matrix with tiny bournonite crystals.

Exceptional and very rich specimen of the rare copper mineral antimony sulphide found in 2000.

Mineral Data
What's on the rock

Chalcostibite

Formula: 
CuSbS2
Strunz: 
2.HA.05
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 4.0
Streak: 
black
Type Locality: 
Graf Jost-Christian Mine, Wolfsberg, Stolberg, Harz, Saxony-Anhalt, Germany