Mineralogy Database

Gerstmannite Mineral Data

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General Gerstmannite Information

Help on Chemical  Formula: Chemical Formula: (Mg,Mn)2ZnSiO4(OH)2
Help on Composition: Composition: Molecular Weight = 255.41 gm
   Magnesium  14.27 %  Mg   23.67 % MgO
   Manganese  10.75 %  Mn   13.89 % MnO
   Zinc       25.60 %  Zn   31.87 % ZnO
   Silicon    11.00 %  Si   23.52 % SiO2
   Hydrogen    0.79 %  H     7.05 % H2O
   Oxygen     37.58 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg1.5Mn2+0.5Zn(SiO4)(OH)2
Help on Environment: Environment: In a hydrothermal vein cutting franklinite-willemite ore in a metamorphosed stratiform zinc orebody.
Help on IMA Status: IMA Status: Approved IMA 1977
Help on Locality: Locality: Sterling Hill, Ogdensburg, Sussex Co., New Jersey, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Ewald Gerstmann (1918- ), mineral collector of Franklin, New Jersey, USA.
Help on Name Pronunciation: Name Pronunciation: Gerstmannite + Pronunciation Say GERSTMANNITE
Help on Synonym: Synonym: ICSD 100142
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