Mineralogy Database

Gerdtremmelite Mineral Data

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General Gerdtremmelite Information

Help on Chemical Formula: Chemical Formula: ZnAl2(AsO4)(OH)5
Help on Composition: Composition: Molecular Weight = 343.31 gm
   Aluminum  15.72 %  Al   29.70 % Al2O3
   Zinc      19.05 %  Zn   23.71 % ZnO
   Arsenic   21.82 %  As   33.47 % As2O5
   Hydrogen   1.47 %  H    13.12 % H2O
   Oxygen    41.94 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: ZnAl2(AsO4)(OH)5
Help on Environment: Environment: Deeply oxidized ore zone at Tsumeb.
Help on IMA Status: IMA Status: Approved IMA 1985
Help on Locality: Locality: Tsumeb, Namibia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Gerd Tremmel, who first recognized the mineral.
Help on Name Pronunciation: Name Pronunciation: Gerdtremmelite + Pronunciation Say GERDTREMMELITE