Mineralogy Database

Calciogadolinite Mineral Data

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General Calciogadolinite Information

Help on Chemical Formula: Chemical Formula: CaREE(Fe+++)Be2Si2O10
Help on Composition: Composition: Molecular Weight = 474.11 gm
   Calcium           8.45 %  Ca   11.83 % CaO
   La,Ce,Pr,Nd,Sm,  30.37 %  RE   35.43 % REE2O3
   Beryllium         3.80 %  Be   10.55 % BeO
   Iron             11.78 %  Fe   16.84 % Fe2O3
   Silicon          11.85 %  Si   25.35 % SiO2
   Oxygen           33.75 %  O
                   ______        ______ 
                   100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaREEFe3+Be2Si2O10
Help on Environment: Environment: Calciogadolinte (1972) is generally regarded as Ca-bearing gadolinite-(Y).
Help on IMA Status: IMA Status: Discredited IMA 2006 - Approved IMA 1972
Help on Locality: Locality: Tadati (Tadachi) village, Nagano Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after it's composition and relationship to gadolinite.