Mineralogy Database

Atacamite Mineral Data

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General Atacamite Information

Help on Chemical Formula: Chemical Formula: Cu2Cl(OH)3
Help on Composition: Composition: Molecular Weight = 213.57 gm
   Copper    59.51 %  Cu   74.49 % CuO
   Hydrogen   1.42 %  H    12.65 % H2O
   Chlorine  16.60 %  Cl   16.60 % Cl
               -   %   Cl   -3.75 % -O=Cl2   
   Oxygen    22.47 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu2Cl(OH)3
Help on Environment: Environment: Arid climates with oxidizable copper minerals.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1801
Help on Locality: Locality: Atacam desert province in northern Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Atacamite + Pronunciation Say ATACAMITE
Help on Synonym: Synonym: ICSD 61252
  PDF 25-269
  Paratacamite