D defs.my
Entry 1 sense Webster, 1913

Anthraconite

· An·thrac·o·nite · IPA
01 n. A coal-black marble, usually emitting a fetid smell when rubbed; -- called also stinkstone and swinestone.
  1. 1.
    A coal-black marble, usually emitting a fetid smell when rubbed; -- called also stinkstone and swinestone.(Min.) Also: stinkstone, swinestone