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Tetrahedrite & Bournonite

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GMN120705

Tetrahedrite & Bournonite

Classic Locality

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.5 × 3.5 cm
Largest Crystal: 
1.50cm
Description

Tetrahedrite tweens, with a lot of bournonite crystals on it. Nice and unique composition from an old collection

Mineral Data
What's on the rock

Tetrahedrite

Formula: 
Cu6[Cu4(Fe,Zn)2]Sb4S13
Strunz: 
2.GB.05
Hardness: 
3.5 - 4.0

Bournonite

Formula: 
PbCuSbS3
Strunz: 
2.GA.50
Hardness: 
2.5 - 3.0
Type Locality: 
Wheal Boys (Trewetha Mine; Old Trewetha Mine), Port Isaac, St Endellion, Wadebridge District, Cornwall, England, UK

Seller Information

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