Streak: Lead gray
Habit: Excellent cubic cleavage, crystals usually very evident
Colours: Lead gray
| ||Crystal System: Isometric|
Cleavage: Perfect cubic
Reaction with HCl: Weak
Identification in hand sample:
Gives off a rotten-egg smell in HCl, very high SG, very metallic lustre.
Very common in hydrothermal sulfide deposits. Associated with sphalerite, pyrite, chalcopyrite, quartz, calcite, fluorite, and/or barite.
Industrial / ecomonic uses:
Main ore from which lead is extracted, also a source of silver.