Mineralogy Database

Gerhardtite Mineral Data

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General Gerhardtite Information

Help on Chemical Formula: Chemical Formula: Cu2(NO3)(OH)3
Help on Composition: Composition: Molecular Weight = 240.12 gm
   Copper    52.93 %  Cu   66.25 % CuO
   Hydrogen   1.26 %  H    11.25 % H2O
   Nitrogen   5.83 %  N    22.49 % N2O5
   Oxygen    39.98 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu2(NO3)(OH)3
Help on Environment: Environment: Secondary mineral in oxidized portions of copper deposits. Dimorphous with rouaite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1885
Help on Locality: Locality: United Verde mine, Jerome, Yavapai Co., Arizona, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Charles Frederic Gerhardt (1816-1856), American chemist who first prepared the artificial compound.
Help on Name Pronunciation: Name Pronunciation: Gerhardtite + Pronunciation Say GERHARDTITE