from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A steel-gray opaque mineral, with chemical formula FeSb2S4.

from the GNU version of the Collaborative International Dictionary of English

  • n. A double sulphide of antimony and iron, of a dark steel-gray color.

from The Century Dictionary and Cyclopedia

  • n. A sulphid of antimony and iron occurring in dark steel-gray prismatic crystals or fibrous masses.


Named for Pierre Berthier, a French chemist, +‎ -ite. (Wiktionary)


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