General Information:
Chemical Formula:
Na3Mg3Ca5Al19Si117O272·93(H2O)
Composition:
(Molecular Weight = 11079.05 gm)
Sodium 0.62 % Na
Calcium 1.81 % Ca
Magnesium 0.66 % Mg
Silicon 29.66 % Si
Arsenic 12.85 % As
Hydrogen 1.69 % H
Oxygen 52.71 % O
Empirical Formula:
Na3Mg3Ca5As19Si117O272·93(H2O)
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[001] Perfect
Color:
colorless.
Density:
2.14
Diaphaniety:
Transparent
Luster:
Vitreous (Glassy)
Streak:
white
More details...