Bournonite
PbCuSbS3
Chemical name
Bournonite |
Chemical formula
PbCuSbS3 |
Melting point [°C]
1200 |
Crystal system
orthorhombic |
Crystal Class
Pyramidal (mm2) |
Space Group
Pn21m |
Unit cell
a [Å]:8.16 b [Å]:8.71 c [Å]:7.81 |
Molecular weight [g/mol]
488.7129 |
Twinning
twinnfree |
Mohs hardness
9 |
Density [g/cm3]
5.8 |
Color
metallic silver |
Luster
Brilliant to dull |