Mineralogy Database

Margaritasite Mineral Data

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General Margaritasite Information

Help on Chemical  Formula: Chemical Formula: (Cs,K,H3O)2(UO2)2V2O8•(H2O)
Help on Composition: Composition: Molecular Weight = 974.70 gm
   Cesium     16.36 %  Cs   17.35 % Cs2O
   Potassium   2.41 %  K     2.90 % K2O
   Uranium    48.84 %  U    55.41 % UO2
   Vanadium   10.45 %  V    18.66 % V2O5
   Hydrogen    0.27 %  H     2.40 % H2O
   Oxygen     21.67 %  O
             ______        ______ 
             100.00 %       96.72 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cs1.2K0.6(H3O)0.2(UO2)2V5+2O8•(H2O)
Help on Environment: Environment: Principle ore mineral found in pore fillings and phenocryst casts in felsic volcanic tuffs, which have been altered by high-temperature hydrothermal fluids.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Margaritas uranium deposit, Pe´┐Żna Blanca district, about 70 km north of Chihuahua City, Chihuahua, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Margaritasite Say MARGARITASITE
Help on Synonym: Synonym: ICSD 15839
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