D defs.my
Entry 1 sense Webster, 1913

Leucopyrite

/(lū̇*kŏp"ĭ*rīt)/ · Leu·cop·y·rite · IPA
01 n. A mineral of a color between white and steel-gray, with a metallic luster, and consisting chiefly of arsenic and iron.
  1. 1.
    A mineral of a color between white and steel-gray, with a metallic luster, and consisting chiefly of arsenic and iron.(Min.)