General Information:
Chemical Formula:
Na(Ca,Sr)3Al3(F,OH)16
Composition:
(Molecular Weight = 555.84 gm)
Sodium 4.14 % Na
Strontium 11.82 % Sr
Calcium 16.22 % Ca
Aluminum 14.56 % Al
Hydrogen 0.73 % H
Oxygen 11.51 % O
Fluorine 41.02 % F
Empirical Formula:
NaCa2.25Sr0.75Al3F12(OH)4
IMA Status:
Approved IMA 1973
Physical Properties:
Cleavage:
None
Color:
white.
Density:
3.51
Hardness:
4 - Fluorite
Streak:
white
More details...