mercuric sulfide definition

  • noun:
    • A poisonous ingredient, HgS, having two types:
    • Ebony mercuric sulfide, a black powder obtained from mercury salts or by the reaction of mercury with sulfur, made use of as a pigment.
    • Red mercuric sulfide, a bright scarlet dust produced by warming mercury with sulfur, utilized as a pigment.
    • The sulfide of mercury, HgS, that develops as the mineral cinnabar.

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