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Sphalerite

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MGR780854

Sphalerite

Classic Locality

Description Tabs

Description
Locality: 
Lüderich Mine, Altenbrück, Bensberg, Overath, Cologne, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 3.3 × 3.8 cm
Description

The mine was productive since the 18th century and closed in 1978, material is very rare and very hard to obtain! The sphalerite crystals are highly lustrous, they show excellent translucency and only with a minor light source they seem to glow. Great contrast to matrix. No significant damages to report.

Mineral Data
What's on the rock

Sphalerite

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