Mineralogy Database

Ferrilotharmeyerite Mineral Data

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General Ferrilotharmeyerite Information

Help on Chemical  Formula: Chemical Formula: Ca(Zn,Cu++)(Fe+++,Zn)(AsO4)2(OH,H2O)2
Help on Composition: Composition: Molecular Weight = 490.79 gm
   Calcium    7.35 %  Ca   10.28 % CaO
   Zinc      10.66 %  Zn   13.27 % ZnO
   Iron      10.24 %  Fe   14.64 % Fe2O3
   Copper     3.88 %  Cu    4.37 % Cu2O
   Arsenic   30.53 %  As   46.83 % As2O5
   Hydrogen   0.51 %  H     4.59 % H2O
   Lead       4.22 %  Pb    4.55 % PbO
   Oxygen    32.60 %  O
            ______        ______ 
            100.00 %       98.53 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.9Pb0.1Fe3+0.9Zn0.8Cu0.3(AsO4)2(OH)1.5(H2O)0.5
Help on Environment: Environment: On museum specimens from a dolostone-hosted hydrothermal polymetallic ore deposit.
Help on IMA Status: IMA Status: Approved IMA 1992
Help on Locality: Locality: Tsumeb, Namibia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: As the ferric iron analog of lotharmeyerite
Help on Synonym: Synonym: ICSD 76614
  IMA1986-024
  PDF 45-1390