Limonite

Limonite is an iron ore consisting of a mixture of hydrated iron(III) oxide-hydroxides in varying composition. The generic formula is frequently written as FeO(OH)·nH2O, although this is not entirely accurate as the ratio of oxide to hydroxide can vary quite widely. Limonite is one of the two principal iron ores, the other being hematite, and has...
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Limonite

• (n.) 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

noun a widely occurring iron oxide ore; a mixture of goethite and hematite and lepidocrocite
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Limonite

Li'mon·ite (lī'mŏn*īt) noun [ Greek leimw`n any moist grassy place, a meadow : confer French limonite , German limonit .] (Min.) Hydrous sesquioxide of iron, an important ore of iron, occurring in stalactitic, mammillary, or earthy forms, of a dark b...
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Limonite

A brown, hydrous iron oxide.
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Limonite

A major type of iron ore. See also haematite and magnetite.
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Limonite

A major type of iron ore. See also haematite and magnetite.
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Limonite

Hydrous oxide of iron, FeO(OH)-nH2O.
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limonite

limonite (līm'unīt) or brown hematite (hem'utīt, hē'–) , yellowish to dark brown mineral, a hydrated oxide of iron, FeO(OH)·nH2O, occurring commonly in deposits of secondary origin, i.e., those formed by the alteration of minerals containing iron. Bot...
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Limonite

Limonite is the hydrated oxide of iron. It never occurs crystallised, but in fibrous, earthy, stalactitic mammillary, porous, or concretionary masses, and often as pseudomorphs formed by the weathering of other minerals such as pyrites or marcasite. It is black or brown in colour and the streak or fine powder is yellow, distinguishing it from haema...
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limonite

one of the major iron minerals, hydrated ferric oxide (FeO(OH)nH2O). It was originally considered one of a series of such oxides; later it was ... [2 related articles]
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limonite

[n] - a widely occurring iron oxide ore
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