| limonite | <chemical> Hydrous sesquixoide of iron, an important ore of iron, occurring in stalactitic, mammillary, or earthy forms, of a dark brown colour, yellowish brown powder. It includes bog iron. Also called brown hematite. Origin: Gr. Any moist grassy place, a meadow: cf. F. Limonite, G. Limonit. Source: Websters Dictionary (01 Mar 1998) |
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