a soft, shiny, metallic-gray, orthorhombic mineral, SbS, often found in long, pointed crystals; antimony sulfide
Origin of stibnitefrom stibine + -ite
A lead-gray mineral, Sb2S3, that is the chief source of antimony.
Origin of stibniteFrench stibine stibnite ( from Latin stibium antimony ; see stibine . ) -ite 1