Mineralogy Database

Penroseite Mineral Data

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General Penroseite Information

Help on Chemical  Formula: Chemical Formula: (Ni,Co,Cu)Se2
Help on Composition: Composition: Molecular Weight = 217.17 gm
   Cobalt     8.14 %  Co
   Copper     2.93 %  Cu
   Nickel    16.22 %  Ni
   Selenium  72.72 %  Se
            100.00 % 
Help on Empirical Formula: Empirical Formula: Ni0.6Co0.3Cu0.1Se2
Help on Environment: Environment: In hydrothermal veins.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1926
Help on Locality: Locality: Pacajake mine, Hiaco, 30 km east-northeast of Colquechaca, Potos´┐Ż, Bolivia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Richard Alexander Fullerton Penrose, Jr. (1863-1931), American economic geologist, of Philaelphia, Pennsylvania, USA.
Help on Name Pronunciation: Name Pronunciation: Penroseite + Pronunciation Say PENROSEITE
Help on Synonym: Synonym: Blockite
  ICSD 40330
  PDF 41-1495