General Information:
Chemical Formula:
PbAl3(PO4,SO4)2(OH)6 (?)
Composition:
(Molecular Weight = 580.68 gm)
Aluminum 13.94 % Al
Phosphorus 8.00 % P
Hydrogen 1.04 % H
Lead 35.68 % Pb
Sulfur 2.76 % S
Oxygen 38.57 % O
Empirical Formula:
PbAl3(PO4)1.5(SO4)0.5(OH)6
IMA Status:
Approved IMA 1972
Physical Properties:
Color:
colorless, gray, gray blue, yellow green, or light blue.
Density:
3.75
Diaphaniety:
Transparent to Translucent
Hardness:
3.5 - Copper Penny
Luminescence:
Fluorescent.
Streak:
white
More details...