Pentlandite

Pentlandite is a mineral containing nickel and iron. It is one of the main ores of nickel.[1] It has the chemical formula (Ni,Fe)9S8. Most samples have slightly more nickel than iron.[2]

Refining

Pentlandite can be smelted using oxygen. This releases sulfur dioxide gas and leaves behind iron(III) oxide and nickel(II) oxide.[3] The iron is then removed as slag.

Sources

  1. ↑ Andrew A Stewart. "Nickel Statistics and Information". National Minerals Information Center. U.S. Geological Survey. Retrieved 2025-05-30.
  2. ↑ "Pentlandite". Mindat.org. Retrieved 2025-05-30.
  3. ↑ Xia, Fang; Pring, Allan; Brugger, Joël (2012). "Understanding the mechanism and kinetics of pentlandite oxidation in extractive pyrometallurgy of nickel". Minerals Engineering. 27–28: 11–19. Bibcode:2012MiEng..27...11X. doi:10.1016/j.mineng.2011.12.001.
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