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Millerite

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NST693208

Millerite

Description Tabs

Description
Locality: 
Donnerkuhle Quarry, Hagen, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.8 × 1 cm
Description

Several Millerite neddles on Calcite. Some are "corkscrew" twisted. The main aggregate is 8 mm. A fine example from Donnerkuhle quarry.

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