Mineralogy Database

Yttrobetafite-(Y) Mineral Data

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General Yttrobetafite-(Y) Information

Help on Chemical Formula: Chemical Formula: (Y,U,Ce)2(Ti,Nb,Ta)2O6(OH)
Help on Composition: Composition: Molecular Weight = 437.15 gm
   Calcium    5.50 %  Ca    7.70 % CaO
   Cerium     9.62 %  Ce   11.26 % Ce2O3
   Yttrium    8.14 %  Y    10.33 % Y2O3
   Thorium    5.31 %  Th    6.04 % ThO2
   Uranium    5.45 %  U     6.18 % UO2
   Tantalum   0.83 %  Ta    1.01 % Ta2O5
   Titanium  13.14 %  Ti   21.93 % TiO2
   Niobium   12.75 %  Nb   18.24 % Nb2O5
   Iron       5.11 %  Fe    4.93 % FeO /  1.83 % Fe2O3
   Hydrogen   0.16 %  H     1.44 % H2O
   Lead       9.48 %  Pb   10.21 % PbO
   Oxygen    24.52 %  O
            ______        ______ 
            100.00 %      101.10 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.6Y0.4Ce0.3Fe2+0.3Pb0.2Th0.1U0.1Ti1.2Nb0.6Ta0.02Fe3+0.1O6(OH)0.7
Help on Environment: Environment: Replacement bodies in a quartz-plagioclase-microcline pegmatite and a constituent of lunar soils and breccias.
Help on IMA Status: IMA Status: Approved IMA 1962
Help on Locality: Locality: Alakurtti, northwestern Karelia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the YTTRium-dominent betafite member of the pyrochlore group.
Help on Name Pronunciation: Name Pronunciation: Yttrobetafite-(Y) + Pronunciation Say YTTROBETAFITE-(Y)
Help on Synonym: Synonym: ICSD 24206
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