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Bournonite

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CLB609569

Bournonite

Le Mineral Brut
Classic Locality

Description Tabs

Description
Locality: 
Les Malines, Saint-Laurent-Le-Minier, Gard, Occitanie, France
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 5.3 × 4 cm
Description

Massive, heavy specimen with big bornonite crystals up to more than 1.5 cm. The whole specimen is bournonite, exept for a little reddish-brown sphalerite at one edge.

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

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