Mineralogy Database

Cafarsite Mineral Data

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General Cafarsite Information

Help on Chemical  Formula: Chemical Formula: Ca8(Ti,Fe++,Fe+++,Mn)6-7(As+++O3)12•4(H2O)
Help on Composition: Composition: Molecular Weight = 2,230.31 gm
   Calcium    14.38 %  Ca   20.11 % CaO
   Titanium    7.51 %  Ti   12.54 % TiO2
   Manganese   1.23 %  Mn    1.59 % MnO
   Iron        7.51 %  Fe    6.44 % FeO /  3.58 % Fe2O3
   Arsenic    40.31 %  As   53.22 % As2O3
   Hydrogen    0.36 %  H     3.23 % H2O
   Oxygen     28.69 %  O
             ______        ______ 
             100.00 %      100.72 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca8Ti3.5Fe2+2Fe3+Mn2+0.5(AsO3)12•4(H2O)
Help on Environment: Environment: On cleft faces in orthogneiss.
Help on IMA Status: IMA Status: Approved IMA 1966
Help on Locality: Locality: West flank of Cherbadung [Pizzo Cervandone], Binntal, Valais, Switzerland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the elements in the composition, CAlcium, iron (Ferrum), and ARSenic.
Help on Name Pronunciation: Name Pronunciation: Cafarsite + Pronunciation Say CAFARSITE
Help on Synonym: Synonym: ICSD 200144
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