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UmberUM'BER, n. In natural history, an ore of iron, a fossil of a brown, yellowish, or blackish brown color, so called from Ombria in Italy, where it was first obtained. It is used in painting. A specimen from Cyprus afforded, of a hundred parts, 48 parts of oxyd of iron, 20 of oxyd of manganese, the remainder silex, alumin and water.
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