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Ullmannite & Sphalerite & Siderite & Quartz

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SHS813841

Ullmannite & Sphalerite & Siderite & Quartz

Description Tabs

Description
Locality: 
Aurora Mine, Ramsbeck, Bestwig, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.5 × 2.2 cm
Weight: 
50.00gr
Description

Ullmannite with sphalerite and siderite and quarz in matrix
 

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

Sphalerite

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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White