bornite Meaning, Definition & Usage

  1. noun a mineral consisting of sulfides of copper and iron that is found in copper deposits
    peacock ore.

WordNet

Bor"nite noun
Etymology
Named after Von Born, a mineralogist.
Definitions
  1. (Min.) A valuable ore of copper, containing copper, iron, and sulphur; -- also called purple copper ore (or erubescite), in allusion to the colors shown upon the slightly tarnished surface.

Webster 1913