Mineralogy Database

Crichtonite Mineral Data

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General Crichtonite Information

Help on Chemical  Formula: Chemical Formula: (Sr,La,Ce,Y)(Ti,Fe+++,Mn)21O38
Help on Composition: Composition: Molecular Weight = 1,772.61 gm
   Strontium   3.46 %  Sr    4.09 % SrO
   Lanthanum   1.57 %  La    1.84 % La2O3
   Cerium      0.79 %  Ce    0.93 % Ce2O3
   Yttrium     0.50 %  Y     0.64 % Y2O3
   Titanium   38.09 %  Ti   63.54 % TiO2
   Manganese   2.17 %  Mn    3.12 % Mn2O3
   Iron       17.96 %  Fe   12.56 % FeO / 11.71 % Fe2O3
   Lead        1.17 %  Pb    1.26 % PbO
   Oxygen     34.30 %  O
             ______        ______ 
             100.00 %       99.68 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Sr0.7La0.2Ce0.1Y0.1Pb0.1Ti14.1Fe2+3.1Fe3+2.6Mn3+0.7O38
Help on Environment: Environment: In alpine-type fissure veins.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1813
Help on Locality: Locality: St. Christopher, Bourg d'Oisans, Isere, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Sir Alexander A. Crichton (1763-1856), Scottish physician and mineral collector.
Help on Synonym: Synonym: ICSD 12122
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