General Information:
Chemical Formula:
NaNa2(Mg3Al2)Si7AlO22(OH)2
Composition:
(Molecular Weight = 805.43 gm)
Sodium 8.56 % Na
Magnesium 9.05 % Mg
Aluminum 10.05 % Al
Silicon 24.41 % Si
Hydrogen 0.25 % H
Oxygen 47.67 % O
Empirical Formula:
Na3Mg3Al2(Si7AlO22)(OH)2
IMA Status:
Approved IMA
Physical Properties:
Color:
blue.
Density:
3.03
Diaphaniety:
Transparent to Translucent
Hardness:
5-6 - Between Apatite and Orthoclase
Luster:
Vitreous (Glassy)
More details...