General Information:
Chemical Formula:
Pb4Cu(SO4)(OH)8
Composition:
(Molecular Weight = 1,124.47 gm)
Copper 5.65 % Cu
Hydrogen 0.72 % H
Lead 73.71 % Pb
Sulfur 2.85 % S
Oxygen 17.07 % O
Empirical Formula:
Pb4Cu(SO4)(OH)8
IMA Status:
Approved IMA 1972
Physical Properties:
Cleavage:
[001] Good
Color:
violet.
Density:
6
Diaphaniety:
Transparent
Hardness:
2 - Gypsum
Luster:
Silky
Streak:
white
More details...