Lead Carbonate
PbCO3
Chemical name
Lead Carbonate
Mineral name
Cerrusite
Chemical formula
PbCO3
Crystal system
orthorhombic
Crystal Class
2/m
Space Group
Pmcn no. 62 pos. 5
Unit cell
a [Å]:5.15
b [Å]:8.47
c [Å]:6.11
Formula units
Z=4
Frequent crystal surfaces
{110}, {010}, {021}, {130}, {001}
Twinning
twinnfree
Mohs hardness
3 - 3,5
Density [g/cm3]
6,55
Cleavage
(110), (021)
Fracture / Tenacity
shell like
Color
colorless
Streak
white transparent
Transparency
transparent
Refractive Index
na=1,803 nb=2,074 nc=2,076
Birefringence δ
0,273