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Bournonite

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SUR67008

Bournonite

Description Tabs

Description
Locality: 
Neue Hoffnung Gottes Mine, Bräunsdorf, Mittelsachsen, Saxony, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 2.5 × 2.5 cm
Description

Silver, tabular crystals of bournonite showing the classic 'cogwheel' shape. Some damage, but plenty of good terminations too. Rare location piece.

Mineral Data
What's on the rock

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
Surrey Minerals