Mineralogy Database

Ferroselite Mineral Data

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General Ferroselite Information

Help on Chemical  Formula: Chemical Formula: FeSe2
Help on Composition: Composition: Molecular Weight = 213.77 gm
   Iron      26.13 %  Fe
   Selenium  73.87 %  Se
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Fe2+Se2
Help on Environment: Environment: In red-bed deposits of the Colorado Plateau type, peripheral to pyrite and uranium concentrations.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1955
Help on Locality: Locality: In the USA, at several localities in Utah, on the Colorado Plateau, including the A.E.C. no. 8 mine, Temple Mountain, Emery Co. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the composition.
Help on Name Pronunciation: Name Pronunciation: Ferroselite + Pronunciation Say FERROSELITE
Help on Synonym: Synonym: Hastite
  ICSD 25680
  PDF 21-432