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Quartz Calcite & Hematite

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CLB532348

Quartz Calcite & Hematite

ex collection Uwe Nielsen
Classic Locality

Description Tabs

Description
Locality: 
Bernhard Quarry, Niederwörresbach, Hunsrück, Rhineland-Palatinate, Germany
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4 × 3 cm
Description

Calcite on quartz crystals, both covered partly with 'rusty' hematite crusts, called 'rother eisenrahm' in Germany (old-fashioned).

Specimen from the old Bernhard quarry (close to the Juchem Quarry) are very rare.

Mineral Data
What's on the rock

Quartz

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

Calcite

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

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0

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