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Chalcostibite

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Chalcostibite

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 3.4 × 1.7 cm
Weight: 
50.70gr
Description

Chalcostibite on Sphalerite. With Chalcostibite  are Siderite, Dolomite and Pyrite. On the bottom of the specimen are Tetrahedrite as well as Chalcostibite - arising from white Illite mass.

Locality is Bolduţ Mine in Cavnic (Kapnikbánya). This specimen was found right before the closing of the mine  2002.

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