Jorgensenite

General Information:
 Chemical Formula:
Na2(Sr,Ba)14Na2Al12F64(OH,F)
 Composition:
(Molecular Weight = 3,049.79 gm)
Barium 15.76 % Ba
Sodium 3.02 % Na
Strontium 30.17 % Sr
Aluminum 10.62 % Al
Hydrogen 0.02 % H 
Oxygen 0.39 % O 
Fluorine 40.02 % F 
 Empirical Formula:
Na414(Sr0.75)14(Ba0.25)Al12F64.25(OH)0.75
 IMA Status:
Approved IMA 1995
Physical Properties:
 Color:
colorless or white.
 Density:
3.89
 Diaphaniety:
Translucent
 Hardness:
3.5-4 - Copper Penny-Flourite
 Luster:
Vitreous (Glassy)
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