Mineralogy Database

Proshchenkoite-(Y) Mineral Data

Search Webmineral :
  

General Proshchenkoite-(Y) Information

Help on Chemical Formula: Chemical Formula: (Y,REE,Ca,Na,Mn)15Fe++Ca(P,Si)Si6B3(O,F)48
Help on Composition: Composition: Molecular Weight = 2,711.51 gm
   Sodium            0.98 %  Na    1.33 % Na2O
   Calcium           3.77 %  Ca    5.27 % CaO
   La,Ce,Pr,Nd,Sm,  40.04 %  RE   46.72 % REE2O3
   Yttrium          12.13 %  Y    15.41 % Y2O3
   Thorium           0.86 %  Th    0.97 % ThO2
   Titanium          0.04 %  Ti    0.06 % TiO2
   Manganese         1.86 %  Mn    2.41 % MnO
   Iron              1.71 %  Fe    2.20 % FeO
   Silicon           6.54 %  Si   13.98 % SiO2
   Boron             1.28 %  B     4.11 % B2O3
   Arsenic           0.11 %  As    0.17 % As2O5
   Phosphorus        0.80 %  P     1.83 % P2O5
   Lead              0.08 %  Pb    0.08 % PbO
   Oxygen           20.39 %  O
   Fluorine          9.42 %  F     9.42 % F
                      -   %   F    -3.97 % -O=F2    
                   ______        ______ 
                   100.00 %       99.99 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Y3.7REE7.54Ca1.55Na1.16Mn2+0.77Th0.1Pb0.01Fe2+0.83Mn2+0.15Ti0.02CaP0.7As0.04Si0.26 Si6.05B3.2O34.55F13.45
Help on Environment: Environment: Vicanite group
Help on IMA Status: IMA Status: Approved IMA 2008 (Dana # Added)
Help on Locality: Locality: Tommot REE-Nb deposit, Yakutia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Help on Synonym: Synonym: IMA2008-007