General Information:
Chemical Formula:
PbCu++4(OH)6(SO4)2·3(H2O)
Composition:
(Molecular Weight = 809.60 gm)
Copper 31.40 % Cu
Hydrogen 1.49 % H
Lead 25.59 % Pb
Sulfur 7.92 % S
Oxygen 33.60 % O
Empirical Formula:
PbCu4(OH)6(SO4)2·3(H2O)
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[???] Good
Color:
blue green, green, or greenish blue.
Diaphaniety:
Transparent
Hardness:
2.5 - Finger Nail
Luster:
Vitreous (Glassy)
Streak:
white
More details...