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Galena & Chalcopyrite

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CR600405

Galena & Chalcopyrite

Classic Locality

Description Tabs

Description
Locality: 
Pfannenberger Einigkeit Mine, Salchendorf, Neunkirchen, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
12 × 11 × 7 cm
Description

Galena specimens from this iron mine are a German classic.

Sharp, lustrous, metallic-gray crystals are very aesthetically set on the matrix covered with sparkly drusy quartz. The modified cuboctahedrons are twinned and untwinned.

Specimens of this old-time outstanding quality are seldom available from this historic mine, that closed in 1962.

Ex Gabrys collection.

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