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	 Millerite Mineral Data  |  |  | 
   
| General Millerite  Information  | 
|  Chemical  Formula: | NiS | 
|  Composition: | Molecular Weight = 90.76 gm | 
|  | Nickel  64.67 %  Ni | 
|  | Sulfur  35.33 %  S | 
|  | ______ | 
|  | 100.00 % | 
|  Empirical Formula: | NiS | 
|  Environment: | In limestone and dolomite cavities. | 
|  IMA Status: | Valid Species (Pre-IMA) 1845 | 
|  Locality: | St. Louis, Missouri and Keokuk, Kansas. Link to MinDat.org Location Data. | 
|  Name Origin: | Named after the English mineralogist, William Hallowes Miller (1801-1880) | 
|  Name Pronunciation: | Millerite  + Pronunciation   | 
|  Synonym: | Hair Pyrites | 
|  | ICSD 40054 | 
|  | PDF Dec-41 | 
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