Mineralogy Database

Samfowlerite Mineral Data

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General Samfowlerite Information

Help on Chemical  Formula: Chemical Formula: Ca14Mn++3Zn2(Be,Zn)2Be6(SiO4)6(Si2O7)4(OH,F)6
Help on Composition: Composition: Molecular Weight = 2,271.52 gm
   Calcium    24.70 %  Ca   34.56 % CaO
   Manganese   7.26 %  Mn    9.37 % MnO
   Beryllium   2.02 %  Be    5.62 % BeO
   Zinc        7.48 %  Zn    9.32 % ZnO
   Silicon    17.31 %  Si   37.03 % SiO2
   Hydrogen    0.43 %  H     3.81 % H2O
   Oxygen     39.80 %  O
   Fluorine    1.00 %  F     1.00 % F
                -   %   F    -0.42 % -O=F2    
             ______        ______ 
             100.00 %      100.28 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca14Mn2+3Zn2.6Be5.1Si14O56.5H9.6F1.2
Help on Environment: Environment: Metamorphosed stratiform Zn-Mn deposit in vugs in granular willemite-franklinite-andradite ore.
Help on IMA Status: IMA Status: Approved IMA 1994
Help on Locality: Locality: Franklin, Sussex County, New Jersey, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Samuel Fouler, M.D. (1779-1844), who early encouraged study of the Franklin deposits.
Help on Name Pronunciation: Name Pronunciation: Samfowlerite + Pronunciation Say SAMFOWLERITE
Help on Synonym: Synonym: ICSD 100313
  IMA1991-045
  PDF 26-176