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Bottinoite & Ullmannite

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JYJ720448

Bottinoite & Ullmannite

Description Tabs

Description
Locality: 
Ramsbeck, Bestwig, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 1.1 × 0.8 cm
Description

Sea blue bottinoite with quartz and lustrous metallic ullmannite surrounded by some siderite. 

Beautiful!

Mineral Data
What's on the rock

Bottinoite

Formula: 
Ni2+[Sb(OH)6]2·6H2O
Strunz: 
4.FH.05
Crystal System: 
Trigonal
Hardness: 
3.5
Type Locality: 
Bottino Mine, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy

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