Definitions

from The Century Dictionary.

  • noun A sulphid of nickel and antimony, part of the latter being frequently replaced by arsenic. It generally occurs massive with a granular structure, and is of a gray color with a metallic luster.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Min.) A brittle mineral of a steel-gray color and metallic luster, containing antimony, arsenic, sulphur, and nickel.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mineralogy A nickel antimony sulphide mineral.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Johann Christoph Ullmann (1771-1821), German mineralogist, and -ite.

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