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Bottinoite

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SKY510786

Bottinoite

Classic Locality

Description Tabs

Description
Locality: 
Dörnberg Mine, Ramsbeck, Bestwig, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.8 × 1 cm
Description

Sharp blue green crystals of the very rare mineral bottinoite, some of them pseudomorphs after ullmannite crystals. Bottinoite in isolated crystals is very rare but this specimen has some of them (photos 1, 5 and 6), so it is an outstanding and rare specimen. Pale yellow cubic crystal in photo 1 and 3 is probably bindheimite pseudomorphs after ullmannite.

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

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