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Calcite On Dolomite

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PDM587734

Calcite On Dolomite

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Description Tabs

Description
Locality: 
Hohenlimburg Quarry, Oege, Hagen, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.1 × 5.6 × 2.2 cm
Largest Crystal: 
0.30cm
Description

Red calcite crystals on a pale pink dolomite. The specimens was analysed because it was originally labelled as “ankerite”, but it was not possible to determine the origin of the red colour in the calcite. The specimen is not only very attractive due to the colour combination but it is uncommon for the locality. Collected by Gerard Vogel (NL) in 05/1970.

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

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