Mineralogy Database

Metakottigite Mineral Data

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General Metakottigite Information

Help on Chemical  Formula: Chemical Formula: (Zn,Fe+++,Fe++)3(AsO4)2•8((H2O),OH)
Help on Composition: Composition: Molecular Weight = 603.71 gm
   Zinc      18.41 %  Zn   22.92 % ZnO
   Iron      12.03 %  Fe   15.47 % FeO
   Arsenic   24.82 %  As   38.07 % As2O5
   Hydrogen   2.34 %  H    20.89 % H2O
   Oxygen    42.40 %  O
            ______        ______ 
            100.00 %       97.35 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn1.7Fe2+1.3(AsO4)2•6(H2O)(OH)2
Help on Environment: Environment: Secondary mineral from the oxide zone of an arsenic-rich polymetallic mineral deposit, formed by oxidation and concomitant dehydrogenization of ferroan kottigite.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Ojuela mine, Mapimi, Durango, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its dimorphous relationship to kottigite, and by analogy to metavivianite.
Help on Name Pronunciation: Name Pronunciation: Metakottigite + Pronunciation Say METAKOTTIGITE
Help on Synonym: Synonym: Metakoettigite