General Information:
Chemical Formula:
Pb3Ge(SO4)2(OH)6·3(H2O)
Composition:
(Molecular Weight = 1,006.40 gm)
Germanium 7.21 % Ge
Hydrogen 0.80 % H
Lead 61.76 % Pb
Sulfur 6.37 % S
Oxygen 23.85 % O
Empirical Formula:
Pb3Ge(SO4)2(OH)6·(H2O)
IMA Status:
Approved IMA 1960
Physical Properties:
Cleavage:
None
Color:
white or light pink.
Density:
4.2 - 4.4, Average = 4.3
Diaphaniety:
Transparent to Translucent
Hardness:
2.5-3 - Finger Nail-Calcite
Luster:
Silky
Streak:
white
More details...