Limonite - Wikipedia
Limonite (/ ˈlaɪməˌnaɪt /) 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 | Properties, Occurrence and Uses » Geology Science
2023年4月23日 · Limonite is a mineral that is composed mainly of hydrated iron oxides, typically goethite and/or lepidocrocite, along with other minerals such as magnetite, hematite, and quartz. It is a yellowish-brown to dark brown mineral with a dull or earthy luster and a hardness of 4 to 5.5 on the Mohs scale.
Limonite: an iron oxide used as pigment and iron ore
What is Limonite? Before modern mineral analysis, the name "limonite" was given to many of the yellowish to yellowish brown iron oxides produced during the weathering of iron-bearing rocks or deposited as bog, lake, and shallow marine sediments. Researchers who studied "limonite" discovered that it is amorphous and has a variable composition.
Limonite | Iron Ore, Hydrated Iron & Clay | Britannica
limonite, one of the major iron minerals, hydrated ferric oxide (FeO(OH)· n H 2 O). It was originally considered one of a series of such oxides; later it was thought to be the amorphous equivalent of goethite and lepidocrocite, but X-ray studies have shown that most so-called limonite is …
Limonite: Mineral information, data and localities. - mindat.org
'Limonite' is most commonly the mineral species goethite, but can also consist of varying proportions of lepidocrocite, hematite and/or maghemite, along with impurities of other minerals such as quartz and clays.
Limonite: Properties, Characteristics and Uses - Geossary
2023年1月5日 · Limonite is usually defined as a mineral that is the closest to the correct definition, however it must be clarified that it is not true either and in fact even geologists often say that limonite is a mineral, but no!
Limonite - Encyclopedia.com
2018年5月8日 · limonite (līm´ənīt) or brown hematite (hĕm´ətīt, 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. Both iron rust and bog iron ore are limonite.
Limonite - The Mineral and Gemstone Kingdom
Limonite is extremely common and forms the coloring matter in many soils. It is also responsible for the coloring on the weathered surfaces of rocks. Much Limonite, especially the fibrous type, is either Goethite or altered Goethite that absorbed water in its chemical structure.
Limonite – WGNHS – UW–Madison
Limonite is a general term for a mixture of fine-grained iron oxides, generally dominated by goethite, but also possibly containing hematite, lepidochrocite and other minerals. It forms from the weathering of other iron minerals, and may be precipitated by …
Limonite - Mining Fundamentals
Limonite is an iron ore containing hydrated iron (III) oxide-hydroxide mixture in different compositions. It is one of the two major iron ores, the other being hematite - used in production of iron.
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