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	 Paratacamite Mineral Data  |  |  | 
   
| General Paratacamite  Information  | 
|  Chemical  Formula: | (Cu,Zn)2(OH)3Cl | 
|  Composition: | Molecular Weight = 214.49 gm | 
|  | Zinc      15.24 %  Zn   18.97 % ZnO | 
|  | Copper    44.44 %  Cu   55.63 % CuO | 
|  | Hydrogen   1.41 %  H    12.60 % H2O | 
|  | Chlorine  16.53 %  Cl   16.53 % Cl | 
|  | -   %
  Cl   -3.73 % -O=Cl2 | 
|  | Oxygen    22.38 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | Cu1.5Zn0.5(OH)3Cl | 
|  Environment: | Alteration of copper minerals by chloride waters under cold conditions. | 
|  IMA Status: | Valid Species (Pre-IMA) 1873 | 
|  Locality: | Generosa and Herminia mines, Sierra Gorda, Chile. Link to MinDat.org Location Data. | 
|  Name Origin: | Named for the dimorphous relationship with atacamite. | 
|  Name Pronunciation: | Paratacamite  + Pronunciation   | 
|  Synonym: | ICSD 64956 | 
|  | PDF 25-325 | 
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