li·mo·nite /ˈlaɪməˌnaɪt/
褐鐵礦
Li·mon·ite n. Min. Hydrous sesquioxide of iron, an important ore of iron, occurring in stalactitic, mammillary, or earthy forms, of a dark brown color, and yellowish brown powder. It includes bog iron. Also called brown hematite.
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limonite
n : a widely occurring iron oxide ore; a mixture of goethite and
hematite and lepidocrocite