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Tsumoite & Native Gold

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JYJ1056632

Tsumoite & Native Gold

Description Tabs

Description
Locality: 
Björkdal Mine, Sandfors, Skellefte, Västerbotten County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1.1 cm
Description

Native gold with grey tsumoite in quartz from the Björkdal mine, Västerbotten, Sweden. 

Rare mineral. 

 

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