Elpasolite

General Information:
 Chemical Formula:
K2NaAlF6
 Composition:
(Molecular Weight = 242.16 gm)
Potassium 32.29 % K 
Sodium 9.49 % Na
Aluminum 11.14 % Al
Fluorine 47.07 % F 
 Empirical Formula:
K2NaAlF6
Physical Properties:
 Cleavage:
None
 Color:
colorless.
 Density:
2.995
 Diaphaniety:
Transparent
 Hardness:
2.5 - Finger Nail
 Luster:
Vitreous - Greasy
 Streak:
white
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