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Freibergite

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Freibergite

Description Tabs

Description
Locality: 
Butte, Silver Bow County, Montana, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 2.8 × 2 cm
Description

Freibergite in matrix

Mineral Data
What's on the rock

Freibergite

Formula: 
Ag6[Cu4Fe2]Sb4S13-x
Strunz: 
2.GB.05
Hardness: 
3.5 - 4.0
Colour: 
Grey
Type Locality: 
Reiche Zeche Mine, Himmelfahrt Mine, Freiberg, Freiberg District, Erzgebirge, Saxony, Germany