ocher (inorganic material)

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Scope note
General term for various earthy materials containing silica, alumina, and iron oxides; often contains compounds of barium or calcium. Occurs in yellowish, brown, or reddish colors.Ochers are also used as pigment, colorants in ceramic slips and glazes, added as a reducing agent in luster glazes, and as a filler in linoleum and other products.
ocher
Accepted term: 18-Nov-2024