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Millerite

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ESM505404

Millerite

Description Tabs

Description
Locality: 
Gap Mine, Gap, Bart Township, Lancaster County, Pennsylvania, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.5 × 4.4 × 0.7 cm
Description

Spheres of acicular millerite crystals

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