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Galena

Mineral Data
PbS
Strunz: 
2.CD.10
Physical Properties
Colour: 
Lead-grey
Crystal System: 
Isometric
Streak: 
Lead-grey
Hardness: 
2.5
Tenacity: 
brittle
Synonyms
Synonyms: 
Galenit, Galenite and Bleischweif