Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A tetragonal iron nickel sulfide mineral that occurs as opaque bronze to grey-white tabular crystals and anhedral masses.

Etymologies

Mackinaw mine, Washington, where an occurrence was first described, and -ite. (Wiktionary)

Examples

  • A sample of the sulphide mineral selected for petrographic analysis was determined to contain an alteration assemblage of minerals including godlevskite (Ni9S8) along with veining of mackinawite ((Fe, Ni) 9S8).

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