General Information:
Chemical Formula:
Pb5Si4O8(OH)10
Composition:
(Molecular Weight = 1,446.41 gm)
Silicon 7.77 % Si
Hydrogen 0.70 % H
Lead 71.63 % Pb
Oxygen 19.91 % O
Empirical Formula:
Pb5Si4O8(OH)10
IMA Status:
Approved IMA 1979
Physical Properties:
Cleavage:
[001] Perfect
Color:
colorless.
Density:
5.6
Diaphaniety:
Transparent
Hardness:
2 - Gypsum
Luster:
Vitreous (Glassy)
Streak:
white
More details...