Mineralogy Database

Mottanaite-(Ce) Mineral Data

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General Mottanaite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: Ca4(Ce,Ca)2AlBe2[Si4B4O22]O2
Help on Composition: Composition: Molecular Weight = 1,007.13 gm
   Calcium    18.31 %  Ca   25.61 % CaO
   Cerium     20.87 %  Ce   24.44 % Ce2O3
   Thorium     2.30 %  Th    2.62 % ThO2
   Titanium    0.48 %  Ti    0.79 % TiO2
   Beryllium   0.72 %  Be    1.99 % BeO
   Aluminum    1.34 %  Al    2.53 % Al2O3
   Iron        2.22 %  Fe    3.17 % Fe2O3
   Silicon    11.15 %  Si   23.86 % SiO2
   Boron       4.29 %  B    13.83 % B2O3
   Hydrogen    0.05 %  H     0.45 % H2O
   Oxygen     37.33 %  O
   Fluorine    0.94 %  F     0.94 % F
                -   %   F    -0.40 % -O=F2    
             ______        ______ 
             100.00 %       99.84 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca4Ce1.5Th0.1Ca0.6Al0.5Fe3+0.4Ti0.1Be0.8(Si4B4O22)O(OH)0.5F0.5
Help on Environment: Environment: Miarolitic cavities in alkali-syenitic ejecta enclosed in pyroclastic formations of the Roma Comagmatic Province. (hellandite group; structure)
Help on IMA Status: IMA Status: Approved IMA 2001 (Dana # Added)
Help on Locality: Locality: Sabatini volcanic complex, Latium, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Annibale Mottana, Professor of Mineralogy at the University of Roma Tre (Italy).
Help on Synonym: Synonym: IMA2001-020