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Calcite & Eisenkiesel

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ESM868643

Calcite & Eisenkiesel

Description Tabs

Description
Locality: 
Artenberg Quarry, Steinach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 1 cm
Description

Translucent calcite crystals on red eisenkiesel crystals on matrix

Mineral Data
What's on the rock

Calcite

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

Eisenkiesel

Variety Of: 

Quartz

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