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	 Barysilite Mineral Data  |  |  | 
   
| General Barysilite  Information  | 
|  Chemical  Formula: | Pb8Mn(Si2O7)3 | 
|  Composition: | Molecular Weight = 2,217.04 gm | 
|  | Manganese   2.48 %  Mn    3.20 % MnO | 
|  | Silicon     7.60 %  Si   16.26 % SiO2 | 
|  | Lead       74.77 %  Pb   80.54 % PbO | 
|  | Oxygen     15.15 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | Pb8Mn2+3(Si2O7) | 
|  Environment: | As thin fllms and veinlets in a metamorphosed zinc orebody. | 
|  IMA Status: | Valid Species (Pre-IMA) 1888 | 
|  Locality: | Franklin, Sussex Co., New Jersey, USA. Link to MinDat.org Location Data. | 
|  Name Origin: | From the Greek for heavy and for SILicon in its composition. | 
|  Name Pronunciation: | Barysilite  + Pronunciation   | 
|  Synonym: | ICSD 14370 | 
|  | PDF 23-404 | 
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