Mineralogy Database

Beraunite Mineral Data

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General Beraunite Information

Help on Chemical Formula: Chemical Formula: Fe++Fe+++5(PO4)4(OH)5•4(H2O)
Help on Composition: Composition: Molecular Weight = 872.07 gm
   Iron        38.42 %  Fe    8.24 % FeO / 45.78 % Fe2O3
   Phosphorus  14.21 %  P    32.55 % P2O5
   Hydrogen     1.50 %  H    13.43 % H2O
   Oxygen      45.87 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+Fe3+5(PO4)4(OH)5•4(H2O)
Help on Environment: Environment: A component of bog iron ores; a cement in clays, sands, and bone material; an alteration product of triphylite in granite pegmatites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1841
Help on Locality: Locality: Many localities are known; some with well-studied material include: in the Hrbek mine, Svata Dobrotiva (St. Benigna), near Beroun, Czech Republic. In Germany, from the Eleonore and Rot Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For its occurrence near Beroun (formerly Beraun), Czech Republic.
Help on Name Pronunciation: Name Pronunciation: Beraunite + Pronunciation Say BERAUNITE
Help on Synonym: Synonym: ICSD 203096
  Oxyberaunite
  PDF 22-631