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Pyrite & Calcite

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NST707762

Pyrite & Calcite

Description Tabs

Description
Locality: 
Büschhof Quarry, Wirtenbach, Waldbröl, Cologne, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3 × 2.4 cm
Description

A small miniature showing cubes of Pyrite, one overgrown by sharp, isolated Calcites, in a typical dolomite-coated vug. Büschhof quarry is an interesting locality. Cu-, Fe-, Pb- and Zn-minerals are present inside a fossil devonian stromatopore reef.

Mineral Data
What's on the rock

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Calcite

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