|  |  | 
	 Villiaumite Mineral Data  |  |  | 
   
| General Villiaumite  Information  | 
|  Chemical  Formula: | NaF | 
|  Composition: | Molecular Weight = 41.99 gm | 
|  | Sodium    54.75 %  Na   73.81 % Na2O | 
|  | Fluorine  45.25 %  F    45.25 % F | 
|  | -   %
  F   -19.05 % -O=F2 | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | NaF | 
|  Environment: | In nepheline-syenite composition rocks. | 
|  IMA Status: | Valid Species (Pre-IMA) 1908 | 
|  Locality: | Islands of Los, French Guina. Link to MinDat.org Location Data. | 
|  Name Origin: | Named after the French traveller, Villium. | 
|  Name Pronunciation: | Villiaumite  + Pronunciation   | 
|  Synonym: | ICSD 24443 | 
|  | PDF 36-1455 | 
|  | Sodium Fluoride | 
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