General Information:
Chemical Formula:
HPb4Cu++4Si4O12(HCO3)4(OH)4Cl
Composition:
(Molecular Weight = 1,735.88 gm)
Copper 14.64 % Cu
Silicon 6.47 % Si
Hydrogen 0.52 % H
Lead 47.75 % Pb
Carbon 2.77 % C
Chlorine 2.04 % Cl
Oxygen 25.81 % O
Empirical Formula:
HPb4Cu4Si4O12(HCO3)4(OH)4Cl
IMA Status:
Approved IMA 1989
Physical Properties:
Cleavage:
None
Color:
blue.
Density:
4.69
Diaphaniety:
Transparent
Luster:
Vitreous (Glassy)
Streak:
light blue
More details...