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	 Sidpietersite Mineral Data  |  |  | 
   
| General Sidpietersite  Information  | 
|  Chemical  Formula: | Pb++4(S++++++O3S--)O2(OH)2 | 
|  Composition: | Molecular Weight = 1,006.94 gm | 
|  | Hydrogen   0.20 %  H     1.79 % H2O | 
|  | Lead      82.31 %  Pb   88.66 % PbO | 
|  | Sulfur     6.37 %  S | 
|  | Oxygen    11.12 %  O | 
|  | ______        ______ | 
|  | 100.00 %       96.82 % = TOTAL OXIDE | 
|  Empirical Formula: | Pb4(SO3)SO2(OH)2 | 
|  Environment: | Secondary mineral. | 
|  IMA Status: | Approved IMA 1998 (Dana # Added) | 
|  Locality: | Single specimen collected from the 40th to 44th levels of the Tsumeb mine, Tsumeb, Namibia, Link to MinDat.org Location Data. | 
|  Name Origin: | Named after Sidney Pieters (1920-2003), of Windhoek, Namibia for his outstanding contributions to Namibian mineralogy. | 
|  Synonym: | ICSD 87736 | 
|  | IMA1998-036 | 
|  | Lead Thiosulfate | 
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