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Millerite

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Millerite

Description Tabs

Description
Locality: 
Consolidation Mine, Gelsenkirchen, Ruhr, North Rhine - Westphalia, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
13.5 × 9.5 × 6.5 cm
Description

Wool-like millerite clusters on matrix with chalcopyrite micro-crystals (Richtstrecke 104, Sohle 3-4)

Mineral Data
What's on the rock

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