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Melanostibite

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SKY1031163

Melanostibite

Type Locality

Description Tabs

Description
Locality: 
Sjögruvan, Grythyttan, Hällefors, Örebro County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.5 × 1.5 cm
Description

Silvery platy crystals of extremely rare Mn-Sb mineral melanostibite with perfect cleavages in matrix from the type and only one of very few known localities for the species.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Melanostibite

Formula: 
Mn2+(Sb5+,Fe3+)O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
4.0
Colour: 
black
Type Locality: 
Sjögruvan, Grythyttan, Hällefors, Västmanland, Sweden

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