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Calcite Sphalerite & Dolomite

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ESM786214

Calcite Sphalerite & Dolomite

Description Tabs

Description
Locality: 
Schauinsland District. Freiburg Region, Baden-Württemberg, Germany
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 4.5 × 3 cm
Description

Colorless calcite scalenohedrons with black sphalerite dolomite crystals on matrix

Mineral Data
What's on the rock

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White