Mineralogy Database

Lermontovite Mineral Data

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General Lermontovite Information

Help on Chemical  Formula: Chemical Formula: U++++(PO4)(OH)•(H2O) (?)
Help on Composition: Composition: Molecular Weight = 368.02 gm
   Uranium     64.68 %  U    73.37 % UO2
   Phosphorus   8.42 %  P    19.28 % P2O5
   Hydrogen     0.82 %  H     7.34 % H2O
   Oxygen      26.08 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: U(PO4)(OH)•(H2O)
Help on Environment: Environment: Uranium-bearing veins in a granite porphyry stock.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1955
Help on Locality: Locality: Beshtau uranium deposit, near Pyatigorsk, northern Caucasus Mountains, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Mikhail Yur´┐Żevich Lermontov (1814-1841), Russian poet.
Help on Name Pronunciation: Name Pronunciation: Lermontovite + Pronunciation Say LERMONTOVITE