Mineralogy Database

Sederholmite Mineral Data

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General Sederholmite Information

Help on Chemical  Formula: Chemical Formula: NiSe
Help on Composition: Composition: Molecular Weight = 137.65 gm
   Nickel    42.64 %  Ni
   Selenium  57.36 %  Se
            100.00 % 
Help on Empirical Formula: Empirical Formula: NiSe
Help on Environment: Environment: In calcite veins, in sills of albitite diabase in schist, associated with low-grade uranium mineralization. As grains in clausthalite.
Help on IMA Status: IMA Status: Approved IMA 1964
Help on Locality: Locality: Kuusamo, northeastern Finland Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for J. J. Sederholm, former Director of the Gological Survey of Finland.
Help on Name Pronunciation: Name Pronunciation: Sederholmite + Pronunciation Say SEDERHOLMITE
Help on Synonym: Synonym: ICSD 29310
  Nickel Selenide
  PDF 18-188