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	 Mansfieldite Mineral Data  |  |  | 
   
| General Mansfieldite  Information  | 
|  Chemical  Formula: | AlAsO4•2(H2O) | 
|  Composition: | Molecular Weight = 201.93 gm | 
|  | Aluminum  13.36 %  Al   25.25 % Al2O3 | 
|  | Arsenic   37.10 %  As   56.91 % As2O5 | 
|  | Hydrogen   2.00 %  H    17.84 % H2O | 
|  | Oxygen    47.54 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | Al(AsO4)•2(H2O) | 
|  Environment: | Forms a series with scorodite. | 
|  IMA Status: | Valid Species (Pre-IMA) 1948 | 
|  Locality: | Hovart Butte, Lane County, Oregon, USA. Link to MinDat.org Location Data. | 
|  Name Origin: | Named for George Rogers Mansfield (1875-1947), geologist, U. S. Geological Survey. | 
|  Name Pronunciation: | Mansfieldite  + Pronunciation   | 
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