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Native Gold & Tsumoite

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SHS614073

Native Gold & Tsumoite

Description Tabs

Description
Locality: 
Björkdal Mine, Sandfors, Skellefte, Västerbotten County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.5 × 1.3 cm
Description

Nice gold and tsumoite on matrix

Mineral Data
What's on the rock

Gold

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

Tsumoite

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