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Gold & Tellurobismuthite

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ESM690290

Gold & Tellurobismuthite

Classic Locality

Description Tabs

Description
Locality: 
Boliden Mine, Boliden, Skellefteå, Västerbotten County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
6 × 9.5 × 5.5 cm
Description

Gold with silvery tellurobismuthite on matrix

Mineral Data
What's on the rock

Gold

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

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...