Mineralogy Database

Cleusonite Mineral Data

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General Cleusonite Information

Help on Chemical Formula: Chemical Formula: Pb(U++++,U++++++)(Ti,Fe++,Fe+++)20(O,OH)38
Help on Composition: Composition: Molecular Weight = 2,080.74 gm
   Strontium   0.51 %  Sr    0.60 % SrO
   Uranium    12.47 %  U    10.25 % UO2 /  4.12 % UO3
   Titanium   27.15 %  Ti   45.30 % TiO2
   Manganese   0.21 %  Mn    0.27 % MnO
   Aluminum    0.09 %  Al    0.17 % Al2O3
   Vanadium    0.47 %  V     0.83 % V2O5
   Zinc        0.28 %  Zn    0.35 % ZnO
   Iron       20.61 %  Fe   18.47 % FeO /  8.94 % Fe2O3
   Hydrogen    0.13 %  H     1.14 % H2O
   Lead        8.86 %  Pb    9.55 % PbO
   Oxygen     29.22 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb0.89Sr0.12U0.79U0.3Fe2+1.91Zn0.09Ti11.8Fe2+3.44Fe3+2.33V5+0.19Mn2+0.08 Al0.07O35.37(OH)2.63
Help on Environment: Environment: Oligocene-Miocene alpine cleft veins. (crichtonite group).
Help on IMA Status: IMA Status: Approved IMA 2001 (Dana # Added)
Help on Locality: Locality: Barrage de Cleuson, Val de Nendaz, Switzerland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA1998-070