Mineralogy Database

Bementite Mineral Data

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General Bementite Information

Help on Chemical  Formula: Chemical Formula: Mn8Si6O15(OH)10
Help on Composition: Composition: Molecular Weight = 1,018.08 gm
   Manganese  43.17 %  Mn   55.74 % MnO
   Silicon    16.55 %  Si   35.41 % SiO2
   Hydrogen    0.99 %  H     8.85 % H2O
   Oxygen     39.29 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+8Si6O15(OH)10
Help on Environment: Environment: Metamorphosed zinc deposit.
Help on IMA Status: IMA Status: Approved IMA 1963
Help on Locality: Locality: Franklin, Sussex Co., New Jersey. USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Clarence Sweet Bement (1843-1923), mineral collector of Philadelphia, Pennsylvania, USA.
Help on Name Pronunciation: Name Pronunciation: Bementite + Pronunciation Say BEMENTITE