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Feroxyhyte is an oxide/hydroxide of iron, δ-Fe3+O(OH).
Feroxyhyte crystallizes in the
hexagonal system. It
forms as
brown rounded to
concretionary m****es...
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phase goethite (α-FeOOH) akaganéite (β-FeOOH)
lepidocrocite (γ-FeOOH)
feroxyhyte (δ-FeOOH)
ferrihydrite (Fe5HO8 · 4 H2O approx., or 5 Fe2O3 · 9 H2O, better...
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Fengchengite (eudialyte group)
Ferberite Fergusonite (mineral group)
Feroxyhyte Ferrierite (subgroup of
zeolite minerals)
Ferrihydrite Ferrimolybdite...
- needle-like
crystals ("needle ironstone") but is more
typically m****ive.
Feroxyhyte and
lepidocrocite are both
polymorphs of the iron
oxyhydroxide FeO(OH)...
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commonly encountered as rust on the
inside of
steel water pipes and tanks.
Feroxyhyte (δ) is
formed under the high
pressure conditions of sea and
ocean floors...
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Fphdy Fernandinite Frn
Ferrotitanowodginite Ftwdg Fluor-schorl Fsrl
Feroxyhyte Fox
Ferrotochilinite Ftch
Fluorstrophite Fstr
Ferraioloite Frl Ferro-tschermakite...
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lower Mn2+
content than diagenetic, are
dominated by Fe-vernadite, Mn-
feroxyhyte, and asbolane-buserite
while diagenetic nodules are
dominated by buserite...
- 25 Feitknechtite, 25 Lithiophorite; 30 Quenselite, 35 Ferrihydrite; 40
Feroxyhyte, 40 Vernadite; 45
Quetzalcoatlite 04.FF
Hydroxides with OH,
without H2O;...
- and less
hydrated iron oxy-hydroxides are
amongst others: Akaganéite
Feroxyhyte Goethite Hematite Lepidocrocite Limonite Maghemite Magnetite Warr, L.N...
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components of the iron-manganese crusts,
followed by manganese-containing
feroxyhyte;
additional components are apatite, asbolane, birnessite, buserite, goethite...
