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Millerite Sphalerite & Chalcopyrite

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NST692615

Millerite Sphalerite & Chalcopyrite

Classic Locality

Description Tabs

Description
Locality: 
Victoria Mine, Littfeld, Kreuztal, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 3.5 × 1.7 cm
Largest Crystal: 
0.80cm
Description

This is a very fine classic millerite specimen showing sprays of golden-metallic crystals up to 8 mm on a Sphalerite, Chalcopyrite and Galena matrix. A classic special from Siegerland.

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

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0