Mineralogy Database

Gadolinite-(Y) Mineral Data

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General Gadolinite-(Y) Information

Help on Chemical  Formula: Chemical Formula: Y2Fe++Be2Si2O10
Help on Composition: Composition: Molecular Weight = 467.85 gm
   Yttrium    38.01 %  Y    48.27 % Y2O3
   Beryllium   3.85 %  Be   10.69 % BeO
   Iron       11.94 %  Fe   15.36 % FeO
   Silicon    12.01 %  Si   25.69 % SiO2
   Oxygen     34.20 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Y2Fe2+Be2(Si2O10)
Help on Environment: Environment: Pegmatite veins rich in alkaline-earth elements.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1800
Help on Locality: Locality: Ytterby, Resar´┐Ż, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the Finnish chemist, Johan Gadolin (1760-1852), who discovered yttrium. The element gadolinium was also named after Johan Gadolin in 1880.
Help on Name Pronunciation: Name Pronunciation: Gadolinite-(Y) + Pronunciation Say GADOLINITE-(Y)
Help on Synonym: Synonym: Calciogadolinite
  ICSD 40095
  PDF 26-1134