Mineralogy Database

Barnesite Mineral Data

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General Barnesite Information

Help on Chemical  Formula: Chemical Formula: Na2V6O16•3(H2O)
Help on Composition: Composition: Molecular Weight = 661.66 gm
   Sodium     6.95 %  Na    9.37 % Na2O
   Vanadium  46.19 %  V    82.46 % V2O5
   Hydrogen   0.91 %  H     8.17 % H2O
   Oxygen    45.94 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2V5+6O16•3(H2O)
Help on Environment: Environment: In small cavities and fractures and as interstitial filling in sandstone in the oxidized zone of a vanadiferous uranium deposit.
Help on IMA Status: IMA Status: Approved IMA 1963
Help on Locality: Locality: Cactus Rat mine group, Yellow Cat district, 24 km southeast of Thompson, Grand Co., Utah. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for William H. Barnes (1903- ), National Research Council of Canada, Ottawa, Canada, authority on the crystallography of many vanadium minerals.
Help on Name Pronunciation: Name Pronunciation: Barnesite + Pronunciation Say BARNESITE
Help on Synonym: Synonym: ICSD 15751
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