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Ullmannite

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CR622004

Ullmannite

Rare Mineral

Description Tabs

Description
Locality: 
Heimberg Quarry, Wolfshagen, Lautenthal, Goslar, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3.3 × 2.4 cm
Description

Rich specimen of crystallized ullmannite on matrix from a famous location in the Harz Mountains.

Mineral Data
What's on the rock

Ullmannite

Formula: 
NiSbS
Strunz: 
2.EB.25
Crystal System: 
Isometric
Hardness: 
5.0 - 5.5
Type Locality: 
Storch und Schöneberg Mine, Gosenbach, Siegerland, North Rhine-Westphalia, Germany