mundic

English

Noun

mundic (plural mundics)

  1. (obsolete, mining, Cornwall) iron pyrite or arsenopyrite
    • 1870, Oliver Byrne, Ernest Spon, Spons' Dictionary of Engineering, Civil, Mechanical, Military, and Naval:
      The ores and minerals to be treated according to my invention are those containing sulphur, particularly mundics, or iron pyrites, copper ores, lead ores, tin ores, zinc ores []

References