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Pyrite & Millerite

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NST717732

Pyrite & Millerite

Description Tabs

Description
Locality: 
Donnerkuhle Quarry, Hagen, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.5 × 1.5 cm
Description

A boxed sample of Pyrite and Millerite on white Calcite.

Mineral Data
What's on the rock

Pyrite

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

Millerite

Formula: 
NiS
Strunz: 
2.CC.20
Crystal System: 
Trigonal
Hardness: 
3.0 - 3.5
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic