Mineralogy Database

Krettnichite Mineral Data

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General Krettnichite Information

Help on Chemical Formula: Chemical Formula: PbMn+++2(VO4)2(OH)2
Help on Composition: Composition: Molecular Weight = 553.38 gm
   Strontium   1.58 %  Sr    1.87 % SrO
   Manganese  16.88 %  Mn   24.25 % Mn2O3
   Vanadium   17.49 %  V    31.22 % V2O5
   Iron        1.01 %  Fe    1.30 % FeO
   Cobalt      2.13 %  Co    2.71 % CoO
   Arsenic     1.35 %  As    2.08 % As2O5
   Hydrogen    0.40 %  H     3.58 % H2O
   Lead       29.95 %  Pb   32.27 % PbO
   Oxygen     29.20 %  O
             ______        ______ 
             100.00 %       99.28 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb0.8Sr0.1Mn3+1.7Co0.2Fe2+0.1V5+1.9As0.1O7.9(OH)2.2
Help on Environment: Environment: Mullock dumps lining the outcrop of a hydrothermal manganite-quartz vein. A member of the tsumcorite group and the Mn+++ analog of mounanaite.
Help on IMA Status: IMA Status: Approved IMA 2001 (Dana # Added)
Help on Locality: Locality: Krettnich, Saarland, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA1998-044