Kermes mineral

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(Old Chem.) An artificial amorphous trisulphide of antimony; - so called on account of its red color.
(Med. Chem.) A compound of the trioxide and trisulphide of antimony, used in medicine. This substance occurs in nature as the mineral kermesite.

See also: Kermes, Kermes

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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