Bournonite

PbCu [SbS2]

Bournonite - PbCu [SbS2]Bournonite - PbCu [SbS2]Bournonite - PbCu [SbS2]
Chemical name
Bournonite
Mineral name
Bournonite
Chemical formula
PbCu [SbS2]
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