General Information:
Chemical Formula:
(Ca,Na)(Si6Al2)O16·4-8(H2O)
Composition:
(Molecular Weight = 658.39 gm)
Sodium 0.87 % Na
Calcium 4.57 % Ca
Aluminum 8.20 % Al
Silicon 25.59 % Si
Hydrogen 2.45 % H
Oxygen 58.32 % O
Empirical Formula:
Ca0.75Na0.25Si6Al2O16·8(H2O)
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
None
Color:
colorless or milky white.
Density:
2.02
Diaphaniety:
Transparent to Translucent
Hardness:
4.5 - Between Fluorite and Apatite
Luster:
Vitreous (Glassy)
Streak:
white
More details...