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Tsumoite & Gold

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SKY591791

Tsumoite & Gold

Rare Mineral

Description Tabs

Description
Locality: 
Björkdal Mine, Sandfors, Skellefte, Västerbotten County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.5 × 2 cm
Description

Metallic crystals of tsumoite, a bismuth telluride from one of the best known localities for the mineral, associated to nice patches of native gold.

Mineral Data
What's on the rock

Tsumoite

Formula: 
BiTe
Strunz: 
2.DC.05
Hardness: 
2.5 - 3.0
Type Locality: 
Tsumo mine, Masuda, Shimane Prefecture, Chugoku Region, Honshu Island, Japan

Gold

Formula: 
Au
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

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