Mineralogy Database

Cafetite Mineral Data

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General Cafetite Information

Help on Chemical  Formula: Chemical Formula: Ca(Fe,Al)2Ti4O12•4(H2O)
Help on Composition: Composition: Molecular Weight = 592.91 gm
   Calcium    6.76 %  Ca    9.46 % CaO
   Titanium  32.30 %  Ti   53.89 % TiO2
   Aluminum   2.28 %  Al    4.30 % Al2O3
   Iron      14.13 %  Fe   18.18 % FeO
   Hydrogen   1.36 %  H    12.15 % H2O
   Oxygen    43.18 %  O
            ______        ______ 
            100.00 %       97.98 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaFe2+1.5Al0.5Ti4O12•4(H2O)
Help on Environment: Environment: In miarolitic cavities in pegmatites cutting pyroxenite. Later work suggests that Fe was a contaminent from magnetite and not an essential part of the formula.
Help on IMA Status: IMA Status: Approved IMA 1959
Help on Locality: Locality: Afrikanda massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition (Ca, Fe, Ti).
Help on Name Pronunciation: Name Pronunciation: Cafetite Say CAFETITE