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Galena & Sphalerite

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PDM616923

Galena & Sphalerite

Classic Locality

Description Tabs

Description
Locality: 
Lüderich Mine, Altenbrück, Bensberg, Overath, Cologne, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.9 × 5.1 × 4.5 cm
Largest Crystal: 
0.90cm
Description

Old and uncommon specimen from the Lüderich Mine, composed of dull cubic-octahedral crystals of galena with very lustrous gemmy red crystals of sphalerite.

Acquired by Manfred Fabig (DE) in 1967, (specimen #1736).

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

Sphalerite

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

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