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Millerite

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MMM33582

Millerite

Description Tabs

Description
Locality: 
Coed-Ely Colliery, Coed Ely, Rhondda Cynon Taf, Wales, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 3 cm
Description

A calcite lined cavity with millerite needles to 7 mm in length.

Displays well.

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