Definition of antimony sulfide
: either of two sulfides of antimony: a less commonly antimony trisulfide : the trisulfide Sb2S3 occurring native as stibnite, obtained synthetically as an orange-red precipitate, and used chiefly as a pigment (as in camouflage paints), in percussion primer compositions, and in fireworks — compare antimony vermilion b less commonly antimony pentasulfide : the pentasulfide Sb2S5 obtained as an orange-yellow precipitate and used chiefly as a pigment, in coloring and vulcanizing rubber, and in fireworks —called also golden antimony sulfide
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