: Paléoclimatologie: goethite

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goethite

Goethite is a FeO-OH hydroxide of the orthorhombic system forming tabular crystals (with perfect cleavages) or short prisms, needles, lamellae, and concretion masses. It is most often a shiny blackish brown, but can also be yellowish or reddish and accompanies other iron oxides (e.g. hematite). (Adapted and translated from: Foucault A., Raoult J.-F., Platevoet B. & Cecca F. (2020). Dictionnaire de Géologie. Dunod (9e édition).)

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