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	 Siegenite Mineral Data  |  |  | 
   
| General Siegenite  Information  | 
|  Chemical  Formula: | (Ni,Co)3S4 | 
|  Composition: | Molecular Weight = 304.52 gm | 
|  | Cobalt  14.51 %  Co | 
|  | Nickel  43.36 %  Ni | 
|  | Sulfur  42.12 %  S | 
|  | ______ | 
|  | 100.00 % | 
|  Empirical Formula: | Ni2.25Co0.75S4 | 
|  Environment: | In hydrothermal veins with other Cu-Ni-Fe sulfides. | 
|  IMA Status: | Valid Species (Pre-IMA) 1850 | 
|  Locality: | Grube Jungfer, M�sen, Siegen district, Nordrhein-Westfalen, Germany. Link to MinDat.org Location Data. | 
|  Name Origin: | Named after its ore-bearing locality, Siegen, Germany. | 
|  Name Pronunciation: | Siegenite  + Pronunciation   | 
|  Synonym: | ICSD 23773 | 
|  | PDF 24-334 | 
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