General Information:
Chemical Formula:
K2Na2Al4Si4O16·5(H2O)
Composition:
(Molecular Weight = 690.51 gm)
Potassium 11.32 % K
Sodium 6.66 % Na
Aluminum 15.63 % Al
Silicon 16.27 % Si
Hydrogen 1.46 % H
Oxygen 48.66 % O
Empirical Formula:
K2Na2Al4Si4O16·5(H2O)
IMA Status:
Approved IMA 1979
Physical Properties:
Cleavage:
None
Color:
colorless.
Density:
2.06
Diaphaniety:
Transparent
Hardness:
5-5.5 - Apatite-Knife Blade
Luster:
Vitreous (Glassy)
Streak:
white
More details...