Mineralogy Database

Uranocircite Mineral Data

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General Uranocircite Information

Help on Chemical  Formula: Chemical Formula: Ba(UO2)2(PO4)2•12(H2O)
Help on Composition: Composition: Molecular Weight = 1,083.51 gm
   Barium      12.67 %  Ba   14.15 % BaO
   Uranium     43.94 %  U    49.84 % UO2
   Phosphorus   5.72 %  P    13.10 % P2O5
   Hydrogen     2.23 %  H    19.95 % H2O
   Oxygen      35.44 %  O
              ______        ______ 
              100.00 %       97.05 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba(UO2)2(PO4)2•12(H2O)
Help on Environment: Environment: Secondary mineral in quartz veins with other secondary uranium minerals. Dehydrates rapidly to meta-uranocircite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1877
Help on Locality: Locality: Bergen, near Falkenstein in Voigtland, Saxony, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition and from the Greek for "falcon" because it was discovered in Falkenstein, Germany.
Help on Name Pronunciation: Name Pronunciation: Uranocircite + Pronunciation Say URANOCIRCITE