Mineralogy Database

Fluorcalciobritholite Mineral Data

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General Fluorcalciobritholite Information

Help on Chemical  Formula: Chemical Formula: (Ca,REE)5[(Si,P)O4]3F
Help on Composition: Composition: Molecular Weight = 710.23 gm
   Strontium       0.25 %  Sr    0.29 % SrO
   Calcium        15.80 %  Ca   22.11 % CaO
   Lanthanum      10.56 %  La   12.39 % La2O3
   Cerium         18.35 %  Ce   21.49 % Ce2O3
   Praeseodymium   1.59 %  Pr    1.86 % Pr2O3
   Samarium        0.64 %  Sm    0.74 % Sm2O3
   Gadolinium      0.66 %  Gd    0.77 % Gd2O3
   Dysprosium      0.46 %  Dy    0.53 % Dy2O3
   Yttrium         2.25 %  Y     2.86 % Y2O3
   Erbium          0.24 %  Er    0.27 % Er2O3
   Thorium         1.31 %  Th    1.49 % ThO2
   Ytterbium       0.49 %  Yb    0.55 % Yb2O3
   Manganese       0.23 %  Mn    0.30 % MnO
   Silicon         7.67 %  Si   16.41 % SiO2
   Phosphorus      4.62 %  P    10.59 % P2O5
   Neodymium       5.28 %  Nd    6.16 % Nd2O3
   Chlorine        0.05 %  Cl    0.05 % Cl
                    -   %   Cl   -0.01 % -O=Cl2   
   Oxygen         27.53 %  O
   Fluorine        2.03 %  F     2.03 % F
                    -   %   F    -0.86 % -O=F2    
                 ______        ______ 
                 100.00 %      100.01 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2.8Ce0.93La0.54Nd0.26Y0.18Pr0.08Sm0.03Gd0.03Dy0.02Yb0.02Er0.01Th0.04Mn2+0.03Sr0.02 Si1.94P1.06O12F0.76O0.22Cl0.01
Help on Environment: Environment: Analog of fluorbritholite-(Ce).
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Mountain Kukisvumchorr, Khibiny massif, Kola peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition and membership in the britholite group.
Help on Synonym: Synonym: IMA2006-010