General Information:
Chemical Formula:
(Ba,Ca,K2)Al2Si6O16·6(H2O)
Composition:
(Molecular Weight = 688.80 gm)
Potassium 1.14 % K
Barium 11.96 % Ba
Calcium 1.75 % Ca
Aluminum 7.83 % Al
Silicon 24.46 % Si
Hydrogen 1.76 % H
Oxygen 51.10 % O
Empirical Formula:
Ba0.6Ca0.3K0.2Al2Si6O16·6(H2O)
IMA Status:
Discredited IMA
Physical Properties:
Cleavage:
[010] Good, [100] Good
Color:
colorless or white.
Density:
2.248
Diaphaniety:
Transparent to Translucent
Hardness:
4-4.5 - Between Fluorite and Apatite
Luster:
Vitreous (Glassy)
Streak:
white
More details...