Mineralogy Database

Arrojadite-(PbFe) Mineral Data

Search Webmineral :
  
Advertisment

General Arrojadite-(PbFe) Information

Help on Chemical  Formula: Chemical Formula: PbFe++Na2Ca(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2
Help on Composition: Composition: Molecular Weight = 2,242.59 gm
   Sodium       2.05 %  Na    2.76 % Na2O
   Calcium      1.79 %  Ca    2.50 % CaO
   Magnesium    1.08 %  Mg    1.80 % MgO
   Manganese    9.80 %  Mn   12.65 % MnO
   Aluminum     1.20 %  Al    2.27 % Al2O3
   Iron        22.41 %  Fe   28.83 % FeO
   Phosphorus  16.57 %  P    37.98 % P2O5
   Hydrogen     0.11 %  H     1.00 % H2O
   Lead         9.24 %  Pb    9.95 % PbO
   Oxygen      35.31 %  O
   Fluorine     0.42 %  F     0.42 % F
                 -   %   F    -0.18 % -O=F2    
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbFe2+Na2CaFe2+8Mn2+4MgAl(PO4)11(PO3OH)(OH)1.5F0.5
Help on Environment: Environment: Occurred with walnut-sized black grains of metamict � llowite. Arrojadite group
Help on IMA Status: IMA Status: Approved IMA 2005 (Dana # Added)
Help on Locality: Locality: Sapucaia pegmatite, Galilea, Rio Doce basin, Minas Gerais, Brazil Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after arrojadite and site occupancy of the arrojadite structure.
Help on Name Pronunciation: Name Pronunciation: Arrojadite-(PbFe) + Pronunciation Say ARROJADITE-(PBFE)
Help on Synonym: Synonym: IMA2005-056