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Quartz Var Eisenkiesel & Calcite

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CLB136404

Quartz Var Eisenkiesel & Calcite

Classic Locality

Description Tabs

Description
Locality: 
Rösenbeck Quarries, Brilon, Arnsberg, North Rhine - Westphalia, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.1 × 5.5 × 3 cm
Description

Verynice mix of haematite-colored, red eisenkiesel crystals and colorless calcite. The eisenkiesel-quartz crystals show nice phantoms, double-termination and - if I see this right - windows.

Mineral Data
What's on the rock

Quartz

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

Eisenkiesel

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0

Calcite

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

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