Mineralogy Database

Asselbornite Mineral Data

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General Asselbornite Information

Help on Chemical  Formula: Chemical Formula: (Pb,Ba)(UO2)6(BiO)4(AsO4)2(OH)12•3(H2O)
Help on Composition: Composition: Molecular Weight = 3,237.04 gm
   Barium       1.48 %  Ba    1.66 % BaO
   Uranium     42.50 %  U    48.22 % UO2
   Bismuth     26.99 %  Bi   30.08 % Bi2O3
   Arsenic      3.77 %  As    5.79 % As2O5
   Phosphorus   0.44 %  P     1.01 % P2O5
   Hydrogen     0.56 %  H     5.01 % H2O
   Lead         4.93 %  Pb    5.31 % PbO
   Oxygen      19.33 %  O
              ______        ______ 
              100.00 %       97.07 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb0.77Ba0.35(UO2)5.78BiO4.18AsO41.63(PO4)0.46(OH)12�3(H2O)
Help on Environment: Environment: On a museum specimen initially, and in quartz gangue from a mine.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Walpurgis vein, Weisser Hirsch, Neustadtel, Schneeberg, Saxony, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Eric Asselborn (1954-), mineral collector and surgeon, Montrevel-en-Bresse, Dijon, France, in whose collection the mineral was first found..
Help on Name Pronunciation: Name Pronunciation: Asselbornite + Pronunciation Say ASSELBORNITE