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Ferrihydrite (Fh) is a widespread hydrous ferric oxyhydroxide mineral at the Earth's surface, and a likely constituent in extraterrestrial materials. It forms in several types of environments, from freshwater to marine systems, aquifers to hydrothermal hot springs and scales, soils, and areas affected by mining. It can be precipitated directly from oxygenated iron-rich aqueous solutions, or by bacteria either as a result of a metabolic activity or passive sorption of dissolved iron followed by nucleation reactions. Ferrihydrite also occurs in the core of the ferritin protein from many living organisms, for the purpose of intra-cellular iron storage.

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  • Ferrihydrit
  • Ferrihidrita
  • Ferrihydrite
  • Ferridrite
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  • La ferrihidrita es un mineral de la clase de los minerales óxidos. Descubierto en 1971 en minas de Kazajistán, fue nombrado así por su composición química con hierro que está hidratado.
  • Ferrihydrit ist ein selten vorkommendes Mineral aus der Mineralklasse der „Oxide und Hydroxide“. Es kristallisiert im hexagonalen Kristallsystem mit der chemischen Zusammensetzung Fe3+10O14(OH)2, ist also ein Eisen-Hydroxid. Ferrihydrit entwickelt nur mikroskopisch kleine Kristalle und sphärolithische Mineral-Aggregate bis etwa 50 μm Größe von gelblichbrauner bis rötlichbrauner oder dunkelbrauner Farbe bei gelblichbrauner Strichfarbe.
  • La ferridrite è un minerale, un ossi-idrossido di ferro presente in molte parti del mondo. Ha varie applicazioni industriali e può trovarsi anche all'interno degli organismi viventi, compreso l'uomo.
  • Ferrihydrite (Fh) is a widespread hydrous ferric oxyhydroxide mineral at the Earth's surface, and a likely constituent in extraterrestrial materials. It forms in several types of environments, from freshwater to marine systems, aquifers to hydrothermal hot springs and scales, soils, and areas affected by mining. It can be precipitated directly from oxygenated iron-rich aqueous solutions, or by bacteria either as a result of a metabolic activity or passive sorption of dissolved iron followed by nucleation reactions. Ferrihydrite also occurs in the core of the ferritin protein from many living organisms, for the purpose of intra-cellular iron storage.
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