Mineralogy Database

Gageite Mineral Data

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General Gageite Information

Help on Chemical  Formula: Chemical Formula: (Mn,Mg,Zn)42Si16O54(OH)40
Help on Composition: Composition: Molecular Weight = 3,958.95 gm
   Magnesium   7.74 %  Mg   12.83 % MgO
   Manganese  34.97 %  Mn   45.15 % MnO
   Zinc        6.94 %  Zn    8.63 % ZnO
   Silicon    11.35 %  Si   24.28 % SiO2
   Hydrogen    1.02 %  H     9.10 % H2O
   Oxygen     37.99 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+25.2Mg12.6Zn4.2Si16O54(OH)40
Help on Environment: Environment: Metamorphosed zinc-manganese deposit.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1911
Help on Locality: Locality: Franklin, Sussex Co., New Jersey, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Robert B. Gage, of Trenton, New Jersey, USA, who analyzed the first specimens.
Help on Name Pronunciation: Name Pronunciation: Gageite Say GAGEITE