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Limonite The mineral Limonite information and pictures

Limonite is a matrix base of many other minerals, and the term gossan is used as a reference to Limonite when it is used as a a matrix for another mineral or has formed an undesirable staining on top of it Limonite is extremely common and forms the coloring matter in many soils...

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Limonite Mineral Information, photos and Facts

Limonite is a common ore of iron and is always secondary in its origin, formed through the alteration or solution of previously existing iron minerals Pyrite is often found altered to limonite, the crystal form being at times preserved, giving limonite pseudomorphs...

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Mining in Sierra Leone

The mining industry of Sierra Leone accounted for 45 percent of the country s GDP in 2007 and minerals made up 79 percent of total export revenue with diamonds accounting for 46 percent of export revenue in 2008 The main minerals mined in Sierra Leone are diamonds, rutile, bauxite, gold, iron and limonite Mining in Sierra Leone has been seen as one of the key factors for instability in the ....

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Limonite an iron oxide used as pigment and iron ore

Limonite has been used as a low-quality iron ore for thousands of years Commercial mining of limonite as a source of iron is no longer done in areas where reasonable deposits of hematite and magnetite are present or readily imported Limonite deposits are usually too small and too impure for use in ,...

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Limonite Mineral information, data and localiti

Currently used for unidentified massive hydroxides and oxides of iron, with no visible crystals, and a yellow-brown streak Limonite is most commonly the mineral species goethite, but can also consist of varying proportions of lepidocrocite, hisingerite, pitticite, jarosite group species, maghemite, hematite, etc...

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