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Baryte Calcite & Sphalerite

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CLB508757

Baryte Calcite & Sphalerite

ex collection Hans Bormuth
Classic Locality

Description Tabs

Description
Locality: 
Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.4 × 4.2 × 2.6 cm
Description

Very nice group of pale blue baryte crystals with beige calcite scalenohedrons on matrix with tiny brownish sphalerite aggregates.

Very rare from this locality.

Mineral Data
What's on the rock

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White

Calcite

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

Sphalerite

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

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