Mineralogy Database

Bussyite-(Ce) Mineral Data

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General Bussyite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: (Ce,REE)3(Na,H2O)6MnSi9Be5(O,OH)30F4
Help on Composition: Composition: Molecular Weight = 1,329.21 gm
   Potassium       0.04 %  K     0.05 % K2O
   Sodium          5.88 %  Na    7.93 % Na2O
   Calcium         3.98 %  Ca    5.56 % CaO
   Europium        0.09 %  Eu    0.11 % Eu2O3
   Lanthanum       2.35 %  La    2.76 % La2O3
   Cerium          8.68 %  Ce   10.16 % Ce2O3
   Praeseodymium   1.09 %  Pr    1.28 % Pr2O3
   Samarium        0.89 %  Sm    1.04 % Sm2O3
   Gadolinium      0.92 %  Gd    1.06 % Gd2O3
   Yttrium         1.62 %  Y     2.06 % Y2O3
   Thorium         3.02 %  Th    3.44 % ThO2
   Magnesium       0.02 %  Mg    0.04 % MgO
   Manganese       2.00 %  Mn    2.59 % MnO
   Beryllium       3.12 %  Be    8.67 % BeO
   Aluminum        0.45 %  Al    0.85 % Al2O3
   Silicon        18.80 %  Si   40.22 % SiO2
   Hydrogen        0.25 %  H     2.26 % H2O
   Neodymium       4.05 %  Nd    4.72 % Nd2O3
   Oxygen         38.91 %  O
   Fluorine        3.82 %  F     3.82 % F
                    -   %   F    -1.61 % -O=F2    
                 ______        ______ 
                 100.00 %       96.99 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ce0.82Nd0.37Y0.24Th0.17Pr0.1Sm0.07Gd0.07Eu0.008Ca0.77La0.22Na3�(H2O)Ca0.54K0.01 Mn2+0.48Na0.4Mg0.01Si8.89Be4.6Al0.22(OH)1.33
Help on Environment: Environment: Found in a serandite-bearing pocket, approximately 15 x 30 cm across, in a pegmatite hosted by nepheline syenite with albite phenocrysts. Strongly resembles that of semenovite-(Ce) and the closely related mineral harsti
Help on IMA Status: IMA Status: Approved IMA 2007 (Dana # Added)
Help on Locality: Locality: Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Antoine Alexandre Brutus Bussy (1794-1882), French chemist who is co-credited in isolating the element beryllium in August 1828.
Help on Synonym: Synonym: IMA2007-039