Mineralogy Database

Eriochalcite Mineral Data

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General Eriochalcite Information

Help on Chemical  Formula: Chemical Formula: CuCl2•2(H2O)
Help on Composition: Composition: Molecular Weight = 170.48 gm
   Copper    37.27 %  Cu   46.66 % CuO
   Hydrogen   2.36 %  H    21.13 % H2O
   Chlorine  41.59 %  Cl   41.59 % Cl
               -   %   Cl   -9.38 % -O=Cl2   
   Oxygen    18.77 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CuCl2•2(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1884
Help on Locality: Locality: Monte Somma, Vesuvius, Naples Province, Campania, Italy Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek erion = "wool" and kalcos= "copper", in allusion to its form and to the chemical composition.
Help on Name Pronunciation: Name Pronunciation: Eriochalcite + Pronunciation Say ERIOCHALCITE
Help on Synonym: Synonym: ICSD 34239
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