Mineralogy Database

Footemineite Mineral Data

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General Footemineite Information

Help on Chemical  Formula: Chemical Formula: Ca2Mn++Mn++2Mn++2Be4(PO4)6(OH)4•6H2O
Help on Composition: Composition: Molecular Weight = 1,122.79 gm
   Barium       0.24 %  Ba    0.27 % BaO
   Strontium    0.23 %  Sr    0.28 % SrO
   Lithium      0.11 %  Li    0.23 % Li2O
   Calcium      6.75 %  Ca    9.44 % CaO
   Magnesium    0.11 %  Mg    0.18 % MgO
   Manganese   20.31 %  Mn   26.22 % MnO
   Beryllium    3.45 %  Be    9.58 % BeO
   Aluminum     0.07 %  Al    0.14 % Al2O3
   Iron         2.59 %  Fe    2.75 % FeO /  0.64 % Fe2O3
   Silicon      0.20 %  Si    0.43 % SiO2
   Phosphorus  16.03 %  P    36.73 % P2O5
   Hydrogen     1.47 %  H    13.12 % H2O
   Oxygen      48.45 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca1.89Sr0.03Ba0.02Mn2+0.9Li0.17Mg0.05Mn2+3.25Fe2+0.43Fe3+0.09Al0.03Be4.3P5.81 Si0.08O24(OH)3.64(H2O)0.36�6(H2O)
Help on Environment: Environment: Late fracture-filling mineral in a quartz-microcline-spodumene pegmatite. Dimorphous with roscherite. Isostructural with atencioite.
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Foote Mine, Kings Mountain District, Cleveland Co.unty, North Carolina, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2006-029
  Roscherite (C-1)
  Roscherite-1A
  Triclinic-roscherite