General Information:
Chemical Formula:
Na2CaZrSi2O7F2
Composition:
(Molecular Weight = 383.45 gm)
Sodium 11.99 % Na
Calcium 10.45 % Ca
Zirconium 23.79 % Zr
Silicon 14.65 % Si
Oxygen 29.21 % O
Fluorine 9.91 % F
Empirical Formula:
Na2CaZrSi2O7F2
IMA Status:
Approved IMA 1988
Physical Properties:
Cleavage:
[???] Good
Color:
colorless or yellowish.
Density:
3.33
Diaphaniety:
Transparent to Translucent
Hardness:
5-6 - Between Apatite and Orthoclase
Luster:
Vitreous (Glassy)
Streak:
white
More details...