General Information:
Chemical Formula:
Pb7SiO8Cl2
Composition:
(Molecular Weight = 1,677.39 gm)
Silicon 1.67 % Si
Lead 86.47 % Pb
Chlorine 4.23 % Cl
Oxygen 7.63 % O
Empirical Formula:
Pb7SiO8Cl2
IMA Status:
Approved IMA 1986
Physical Properties:
Cleavage:
[???] Perfect
Color:
green yellow or yellow.
Diaphaniety:
Transparent
Hardness:
3.5-4 - Copper Penny-Flourite
Luster:
Adamantine
Streak:
yellow white
More details...