Colcothar
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Polishing rouge; a reddish brown oxide of iron, used inpolishing glass, and also as a pigment; -- called also crocus Martis.
Colcothar meaning & definition 1 of Colcothar.
Polishing rouge; a reddish brown oxide of iron, used inpolishing glass, and also as a pigment; -- called also crocus Martis.