Source : Webster's Revised Unabridged Dictionary (1913)

Bornite \Bor"nite\, n. [Named after Von Born, a mineralogist.]
   (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.

Source : WordNet®

bornite
     n : a mineral consisting of sulfides of copper and iron that is
         found in copper deposits [syn: {peacock ore}]