Calcjarlite

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
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