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Kobellite Bismuthinite & Molybdenite

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VCV150413

Kobellite Bismuthinite & Molybdenite

Description Tabs

Description
Locality: 
Wolfram Pipe, Kingsgate, Gough County, New South Wales, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.4 × 3.6 × 1.7 cm
Description

Kobellite is an uncommon fibrous sulphide of antimony, bismuth, and lead. X-ray diffraction tested and not found previously from this renowned Australian locality. Intimately associated in this specimen with bismuthinite & molybdenite.

Mineral Data
What's on the rock

Kobellite

Formula: 
Pb22Cu4(Bi,Sb)30S69
Strunz: 
2.HB.10a
Crystal System: 
Orthorhombic
Hardness: 
2.5 - 3.0
Streak: 
Black
Type Locality: 
Vena Mines, Hammar, Askersund, Närke, Sweden

Bismuthinite

Formula: 
Bi2S3
Strunz: 
2.DB.05
Hardness: 
2.0 - 2.5
Streak: 
Lead-gray

Molybdenite

Formula: 
MoS2
Strunz: 
2.EA.30
Crystal System: 
Hexagonal
Hardness: 
1.0 - 1.5
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