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Stephanite Chalcopyrite & Calcite

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KAT880706

Stephanite Chalcopyrite & Calcite

Classic Locality

Description Tabs

Description
Locality: 
Himmelsfürst Mine, Brand-Erbisdorf, Mittelsachsen, Saxony, Germany
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.6 × 1.2 cm
Description

very nice specimen of bright metallic, striated stephanite crystals combined with small, brassy colored chalcopyrite and colorless calcite

comes with label - ex Siegfried Flach collection

 

Mineral Data
What's on the rock

Stephanite

Formula: 
Ag5SbS4
Strunz: 
2.GB.10
Crystal System: 
Orthorhombic - Pyramidal
Hardness: 
2.0 - 2.5
Type Locality: 
Freiberg District, Erzgebirge, Saxony, Germany

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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