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Galena Chalcopyrite & Sphalerite

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NST615752

Galena Chalcopyrite & Sphalerite

Classic Locality

Description Tabs

Description
Locality: 
Pfannenberger Einigkeit Mine, Salchendorf, Neunkirchen, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.5 × 2.3 cm
Largest Crystal: 
1.40cm
Description

Very attractive historic german display specimen of lustrous metallic galena showing overgrown edges of chalcopyrite and minor sphalerite.

Mineral Data
What's on the rock

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

Chalcopyrite

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

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0