Switch currency

Bournonite

Type Locality
Wheal Boys (Trewetha Mine; Old Trewetha Mine), Port Isaac, St Endellion, Wadebridge District, Cornwall, England, UK
Mineral Data
PbCuSbS3
Strunz: 
2.GA.50
Physical Properties
Hardness: 
2.5 - 3.0
Tenacity: 
brittle
Synonyms
Synonyms: 
Berthonite