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Calcite Dolomite & Chalcopyrite

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CLB66837

Calcite Dolomite & Chalcopyrite

Classic Locality

Description Tabs

Description
Locality: 
Bundenbach, Rhaunen, Birkenfeld, Rhineland-Palatinate, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 8 × 6.2 cm
Largest Crystal: 
3.20cm
Description

Bundenbach is worldwide known for it's Devonian fossils. But there have been quartz veins with  rock crystals. The calcite and dolomite crystals could be found, sometimes with good chalcopyrite crystals. A sample of this paragenesis. The large calcite crystals measures 3.2 cm.

Mineral Data
What's on the rock

Calcite

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

Dolomite

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

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

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