|  |  | 
	 Petedunnite Mineral Data  |  |  | 
   
| General Petedunnite  Information  | 
|  Chemical  Formula: | Ca(Zn,Mn++,Fe++,Mg)Si2O6 | 
|  Composition: | Molecular Weight = 246.86 gm | 
|  | Sodium      0.93 %  Na    1.26 % Na2O | 
|  | Calcium    14.61 %  Ca   20.44 % CaO | 
|  | Magnesium   0.98 %  Mg    1.63 % MgO | 
|  | Manganese   4.45 %  Mn    5.75 % MnO | 
|  | Zinc       10.60 %  Zn   13.19 % ZnO | 
|  | Iron        6.79 %  Fe    5.82 % FeO /  3.23 % Fe2O3 | 
|  | Silicon    22.75 %  Si   48.68 % SiO2 | 
|  | Oxygen     38.89 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | Ca0.9Na0.1Zn0.4Fe2+0.2Mn2+0.2Mg0.1Fe3+0.1Si2O6 | 
|  Environment: | In a metamorphosed, stratiform zinc deposit. | 
|  IMA Status: | Approved IMA 1987 | 
|  Locality: | Franklin, Sussex County, New Jersey, USA. Link to MinDat.org Location Data. | 
|  Name Origin: | Named for Pete J. Dunn, Department of Mineral Sciences, Smithsonian Institution, Washington D. C., USA. | 
|  Name Pronunciation: | Petedunnite  + Pronunciation   | 
|  Synonym: | ICSD 81450 | 
|  | PDF 40-495 | 
|  |