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	 Wilkinsonite Mineral Data  |  |  | 
   
| General Wilkinsonite  Information  | 
|  Chemical  Formula: | Na2Fe++4Fe+++2Si6O20 | 
|  Composition: | Molecular Weight = 869.56 gm | 
|  | Sodium    5.29 %  Na    7.13 % Na2O | 
|  | Iron     38.53 %  Fe   33.05 % FeO / 18.36 % Fe2O3 | 
|  | Silicon  19.38 %  Si   41.46 % SiO2 | 
|  | Oxygen   36.80 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | Na2Fe2+4Fe3+2Si6O20 | 
|  Environment: | In an eruptive peralkaline trachyte. | 
|  IMA Status: | Approved IMA 1990 | 
|  Locality: | At the Warrumbungle volcano and associated Bingie Grumble Mountain, New South Wales, Australia. Link to MinDat.org Location Data. | 
|  Name Origin: | Named for John Frederick George Wilkinson, Emeritus Professor of Geology, University of New England, Armidale, Australia. | 
|  Name Pronunciation: | Wilkinsonite  + Pronunciation   | 
|  Synonym: | IMA1988-053 | 
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