D defs.my
Entry 1 sense Webster, 1913

Plagionite

· Pla·gi·o·nite · IPA
01 n. A sulphide of lead and antimony, of a blackish lead-gray color and metallic luster.
  1. 1.
    A sulphide of lead and antimony, of a blackish lead-gray color and metallic luster.(Min.)