Mineralogy Database

Juanitaite Mineral Data

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General Juanitaite Information

Help on Chemical  Formula: Chemical Formula: (Cu,Ca,Fe)10Bi(AsO4)4(OH)11•2(H2O)
Help on Composition: Composition: Molecular Weight = 1,560.71 gm
   Calcium    6.42 %  Ca    8.98 % CaO
   Iron       1.79 %  Fe    2.30 % FeO
   Copper    28.50 %  Cu   35.68 % CuO
   Bismuth   13.39 %  Bi   14.93 % Bi2O3
   Arsenic   19.20 %  As   29.45 % As2O5
   Hydrogen   0.97 %  H     8.66 % H2O
   Oxygen    29.73 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu7Ca2.5Fe2+0.5Bi(AsO4)4(OH)11•2(H2O)
Help on Environment: Environment: Secondary mineral in copper arsenate and sulfate mineral assemblage from primary sulfide ores (tennantite, chalcopyrite, and pyrite). Chemically related to mixite.
Help on IMA Status: IMA Status: Approved IMA 1999 (Dana # Added)
Help on Locality: Locality: Gold Hill mine, Tooele County, Utah, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name is for Juanita Curtis who found the mineral.
Help on Synonym: Synonym: IMA1999-022