General Information:
Chemical Formula:
PbZnSiO4
Composition:
(Molecular Weight = 364.67 gm)
Zinc 17.93 % Zn
Silicon 7.70 % Si
Lead 56.82 % Pb
Oxygen 17.55 % O
Empirical Formula:
PbZn(SiO4)
Environment:
Metamorphosed zinc deposits.
Locality:
Franklin, New Jersy
Physical Properties:
Cleavage:
[010] Distinct
Color:
white.
Density:
5.9
Diaphaniety:
Transparent
Habits:
Striated - Parallel lines on crystal surface or cleavage face., Acicular - Occurs as needle-like crystals.,
Hardness:
3 - Calcite
Luminescence:
Piezoelectric.
Luster:
Adamantine
Streak:
white
More details...