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Dolomite On Quartz

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CR169226

Dolomite On Quartz

Description Tabs

Description
Locality: 
Eupel Mine, Niederhövels, Altenkirchen, Rhineland-Palatinate, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 6 × 4 cm
Description

Very good old dolomite specimen from the famous Siegerland, Germany.

Cream coloured dolomite crystals to about 2 cm on Quartz crystals with minor Chalcopyrite.Ex Armin Wendland collection - acquired 1991

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White