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Tellurobismuthite & Tetradymite

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SHS172999

Tellurobismuthite & Tetradymite

Description Tabs

Description
Locality: 
Mångfallberget, Boliden, Skellefteå, Västerbotten County, Sweden
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 1.4 × 0.7 cm
Description

Tellurobismutite and tetradymite in matrix

Mineral Data
What's on the rock

Tellurobismuthite

Formula: 
Bi2Te3
Strunz: 
2.DC.05
Crystal System: 
Trigonal
Hardness: 
1.5 - 2.0
Colour: 
Lead-grey
Type Locality: 
Boly Field Mine (Field's Mine; Field's vein), Dahlonega, Lumpkin Co., Georgia, USA...

Tetradymite

Formula: 
Bi2Te2S
Strunz: 
2.DC.05
Hardness: 
1.5 - 2.0
Type Locality: 
Župkov, Žarnovica Co., Banská Bystrica Region, Slovakia