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Ullmannite

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CR598545

Ullmannite

with antique label
Classic Locality

Description Tabs

Description
Locality: 
Silberquelle Mine, Obersdorf, Siegen, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 2.5 cm
Description

Originally labeled as kallilith, a mixture of ullmannite, bismuthinite, hauchecornite and millerite but originally assumed to be Bi-rich ullmannite.

First described from Friedrich Mine, Schönstein, Wissen, Siegerland, Germany.

Interesting specimen with beautiful old label.

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