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	 Naumannite Mineral Data  |  |  | 
   
| General Naumannite  Information  | 
|  Chemical  Formula: | Ag2Se | 
|  Composition: | Molecular Weight = 294.70 gm | 
|  | Silver    73.21 %  Ag | 
|  | Selenium  26.79 %  Se | 
|  | ______ | 
|  | 100.00 % | 
|  Empirical Formula: | Ag2Se | 
|  Environment: | In hydrothermal veins associated with other selenides, quartz, and carbonates. | 
|  IMA Status: | Valid Species (Pre-IMA) 1845 | 
|  Locality: | Tilkerode (Abberode) and St. Anreasberg, Harz Mountains, Saxony-Anhalt, Germany Link to MinDat.org Location Data. | 
|  Name Origin: | Named for Carl Friedrich Naumann (1797-1873), German mineralogist and crystallographer. | 
|  Name Pronunciation: | Naumannite  + Pronunciation   | 
|  Synonym: | ICSD 15213 | 
|  | PDF 24-1041 | 
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