Mineralogy Database

Latrappite Mineral Data

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General Latrappite Information

Help on Chemical  Formula: Chemical Formula: (Ca,Na)(Nb,Ti,Fe)O3
Help on Composition: Composition: Molecular Weight = 154.29 gm
   Sodium      2.98 %  Na    4.02 % Na2O
   Calcium    20.78 %  Ca   29.08 % CaO
   Magnesium   1.58 %  Mg    2.61 % MgO
   Titanium    6.21 %  Ti   10.35 % TiO2
   Niobium    30.11 %  Nb   43.07 % Nb2O5
   Iron        7.24 %  Fe    9.31 % FeO
   Oxygen     31.11 %  O
             ______        ______ 
             100.00 %       98.44 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.8Na0.2Nb0.5Ti0.2Fe2+0.2Mg0.1O3
Help on Environment: Environment: Carbonitite rocks. The crystal structure of latrappite, determined by Rietveld analysis, is similar to that of CaTiO3 perovskite.
Help on IMA Status: IMA Status: Approved IMA 1964
Help on Locality: Locality: St Lawrence Columbium and Metals Corporation mine, near La Trappe, Quebec, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Latrappite + Pronunciation Say LATRAPPITE
Help on Synonym: Synonym: ICSD 85569
  IMA1964-019
  PDF 16-694