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Freibergite & Pyrite

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ESM513009

Freibergite & Pyrite

Description Tabs

Description
Locality: 
Bonanza Mine, Concepción del Oro, Concepción del Oro Municipality, Zacatecas, Mexico
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.3 × 4.8 × 2.4 cm
Description

Dark metallic tetrahedral freibergite crystals with pyrite crystals

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5
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