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	 Tolbachite Mineral Data  |  |  | 
   
| General Tolbachite  Information  | 
|  Chemical  Formula: | CuCl2 | 
|  Composition: | Molecular Weight = 134.45 gm | 
|  | Copper    47.26 %  Cu   59.16 % CuO | 
|  | Chlorine  52.74 %  Cl   52.74 % Cl | 
|  | -   %  Cl  -11.90 % -O=Cl2 | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | CuCl2 | 
|  Environment: | In fumaroles associated with melanothallite. Alters quickly to eriochalcite. | 
|  IMA Status: | Approved IMA 1983 | 
|  Locality: | Tolbachik volcano, Kamchatka, Russia. Link to MinDat.org Location Data. | 
|  Name Origin: | Named for the locality. | 
|  Name Pronunciation: | Tolbachite  + Pronunciation   | 
|  Synonym: | ICSD 66645 | 
|  | PDF 35-690 | 
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