General Information:
Chemical Formula:
Pb3Cl2O2
Composition:
(Molecular Weight = 724.50 gm)
Lead 85.80 % Pb
Chlorine 9.79 % Cl
Oxygen 4.42 % O
Empirical Formula:
Pb3Cl2O2
Locality:
Mendip Hills, Somersetshire, England.
Name Origin:
Named after its locality.
Physical Properties:
Cleavage:
[010] Distinct, [100] Distinct
Color:
colorless, white, gray, yellowish, or bluish.
Density:
7 - 7.2, Average = 7.1
Diaphaniety:
Translucent
Habits:
Fibrous - Crystals made up of fibers., Columnar - Forms columns, Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Hardness:
2.5-3 - Finger Nail-Calcite
Luster:
Adamantine - Pearly
Streak:
white
More details...