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Dolomite Psm Calcite With Calcite & Chalcopyrite

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CLB79801

Dolomite Psm Calcite With Calcite & Chalcopyrite

Pseudomorph

Description Tabs

Description
Locality: 
Hellberg Quarry, Kirn, Hunsrück, Rhineland-Palatinate, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 5 × 4.5 cm
Largest Crystal: 
4.50cm
Description

A very interesting pseudomorph. First there was a big calcite-scalenohedron of 4.5 cm. This was replaced by dolomite. The dolomite later was covered by shiny little calcite crystals and they lived happily ever after. With a little scar at one side and some chalcopyrite.

Mineral Data
What's on the rock

Dolomite

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

Calcite

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

Chalcopyrite

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

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