Mineralogy Database

Parvowinchite Mineral Data

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General Parvowinchite Information

Help on Chemical  Formula: Chemical Formula: Na(NaMn++)(Mg4Fe+++)Si8O22(OH)2
Help on Composition: Composition: Molecular Weight = 842.09 gm
   Magnesium  14.43 %  Mg   23.93 % MgO
   Manganese  13.05 %  Mn   16.85 % MnO
   Silicon    26.68 %  Si   57.08 % SiO2
   Hydrogen    0.24 %  H     2.14 % H2O
   Oxygen     45.60 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+2Mg5(Si8O22)(OH)2
Help on Environment: Environment: Forms a series with Manganogrunerite (Dannemorite).
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Tirodi, Madhya Pradesh, India. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Renamed IMA 1997 as the Mn analog of cummintonite, Formerly Tirodite which was named after its locality.
Help on Synonym: Synonym: IMA2003-066