General Information:
Chemical Formula:
NaCa2(Al5Si19O48)·17(H2O)
Composition:
(Molecular Weight = 1,845.91 gm)
Sodium 1.25 % Na
Calcium 4.34 % Ca
Aluminum 7.31 % Al
Silicon 28.91 % Si
Hydrogen 1.86 % H
Oxygen 56.34 % O
Empirical Formula:
NaCa2Al5Si19O4817(H2O)
IMA Status:
Approved IMA 1988
Physical Properties:
Cleavage:
None
Color:
colorless or white.
Density:
1.98
Diaphaniety:
Transparent
Hardness:
3.5 - Copper Penny
Luster:
Vitreous (Glassy)
Streak:
white
More details...