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Quartz Var Eisenkiesel Psm Fossil Stromatolite

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CLB129097

Quartz Var Eisenkiesel Psm Fossil Stromatolite

Pseudomorph

Description Tabs

Description
Locality: 
Rösenbeck Quarries, Brilon, Arnsberg, North Rhine - Westphalia, Germany
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 10.7 × 3.1 cm
Description

This is a large, cut and polished slice of fossil stromatolites, turned into quartz variety eisenkiesel (quartz colored by iron-oxide inclusions). Backside and side pictures show very nicely the original structures with the curry-colored quartz crystals (phantoms, growing in star-shaped aggregates). Very rare material.

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

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