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Marcasite

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ESM701578

Marcasite

Description Tabs

Description
Locality: 
Iserlohn, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4 × 4.5 × 3 cm
Description

Brassy cockscomb-like marcasite crystals on dolomite (Weber quarry)

Mineral Data
What's on the rock

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5