|  |  | 
	 Manganosite Mineral Data  |  |  | 
   
| General Manganosite  Information  | 
|  Chemical  Formula: | MnO | 
|  Composition: | Molecular Weight = 70.94 gm | 
|  | Manganese  77.45 %  Mn  100.00 % MnO | 
|  | Oxygen     22.55 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | Mn2+O | 
|  Environment: | Metamorphosed manganese deposits. | 
|  IMA Status: | Valid Species (Pre-IMA) 1874 | 
|  Locality: | Franklin, New Jersey, USA. Link to MinDat.org Location Data. | 
|  Name Origin: | Named as an oxide of manganese. | 
|  Name Pronunciation: | Manganosite   | 
|  Synonym: | ICSD 9864 | 
|  | PDF 7-230 | 
|  |