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Dolomite Psm Calcite

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CR600465

Dolomite Psm Calcite

Pseudomorph

Description Tabs

Description
Locality: 
Grevenbrück Qarry, Lennestadt, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 6.5 × 4.5 cm
Description

This is an old specimen of dolomite pseudomorphs after calcite crystals, coloured by red hematite coating.

Collected 1988 - ex Armin Wendland collection

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