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Millerite

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JYJ714949

Millerite

Description Tabs

Description
Locality: 
Unser Fritz Mine, Herne, Ruhr, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 5.5 × 4 cm
Description

Filigrane millerite on dolomite matrix from an old find during the active period of coal mining in the western Germany.
 

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