Lead Sulphate
PbSO4
Chemical name
Lead Sulphate
Mineral name
Anglesite
Chemical formula
PbSO4
Crystal system
orthorhombic
Crystal Class
2/m
Space Group
Pnma no. 62
Unit cell
a [Å]:8.47
b [Å]:5.39
c [Å]:6.94
Frequent crystal surfaces
(210), (211), (101), (001), (111), (011)
Twinning
twinfree
Mohs hardness
2,5-3,0
Density [g/cm3]
6,38
Cleavage
(001), (210)
Fracture / Tenacity
shell like
Color
colorless
Streak
white transparent
Transparency
transparent
Refractive Index
na=1,878 nb=1,883 nc=1,895
Birefringence δ
0,017