Mineralogy Database

Bijvoetite-(Y) Mineral Data

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General Bijvoetite-(Y) Information

Help on Chemical  Formula: Chemical Formula: (Y,REE)8(H2O)25(UO2)16O8(OH)8(CO3)16•14(H2O)
Help on Composition: Composition: Molecular Weight = 7,068.68 gm
   La,Ce,Pr,Nd,Sm,   4.07 %  RE    4.75 % REE2O3
   Yttrium           7.55 %  Y     9.58 % Y2O3
   Uranium          53.88 %  U    61.12 % UO2
   Hydrogen          1.23 %  H    10.96 % H2O
   Carbon            2.72 %  C     9.96 % CO2
   Oxygen           30.56 %  O
                   ______        ______ 
                   100.00 %       96.38 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Y6REE2(UO2)16O8(OH)8(CO3)16•39(H2O)
Help on Environment: Environment: Lower portion of the oxidation zone of a uranium deposit.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Shinkolobwe, Zaire. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named to honor Dutch crystallographer, Johannes Martin Bijvoet (1892-1980).
Help on Name Pronunciation: Name Pronunciation: Bijvoetite-(Y) + Pronunciation Say BIJVOETITE-(Y)