Mineralogy Database

Cappelenite-(Y) Mineral Data

Search Webmineral :
  

General Cappelenite-(Y) Information

Help on Chemical  Formula: Chemical Formula: Ba(Y,Ce)6Si3B6O24F2
Help on Composition: Composition: Molecular Weight = 1,344.28 gm
   Barium    10.22 %  Ba   11.41 % BaO
   Cerium    20.85 %  Ce   24.42 % Ce2O3
   Yttrium   26.45 %  Y    33.60 % Y2O3
   Silicon    6.27 %  Si   13.41 % SiO2
   Boron      4.82 %  B    15.54 % B2O3
   Oxygen    28.56 %  O
   Fluorine   2.83 %  F     2.83 % F
               -   %   F    -1.19 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: BaY4Ce2Si3B6O24F2
Help on Environment: Environment: In small vein in nepheline synite pegmatite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1885
Help on Locality: Locality: Lille-Aro in the Langesundfiord, southern Norway. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For D. Cappelen of Holden, Norway, a collector who discovered the mineral, and its "yttrium" content.