-
nature as the
exceedingly rare
mineral bernalite,
Fe(OH)3·nH2O (n = 0.0–0.25). Iron oxyhydroxides,
FeOOH, are much more
common and
occur naturally as structurally...
-
maghemite ε-Fe2O3:
epsilon phase goethite (α-
FeOOH), akaganéite (β-
FeOOH),
lepidocrocite (γ-
FeOOH),
feroxyhyte (δ-
FeOOH),
ferrihydrite (Fe5HO8 · 4 H2O approx...
- Wenge; Liuxiang, Yang; Yue, Meng; Zhang, Li; Mao, Ho-kwang (2016). "
FeO2 and
FeOOH under deep lower-mantle
conditions and Earth's oxygen–hydrogen cycles"...
-
carbonate green rust and
orange γ-
FeOOH in
water will
react over a few days
produce a
black precipitate of
magnetite Fe 3O 4.
Green rust
compounds were...
- -> 3 H2S + SO4^{2}- + 2 H+}}} 3 S 0 + 2
FeOOH ⟶ SO 4 2 − + 2
FeS + 2 H + {\displaystyle {\ce {3 S^0 + 2
FeOOH -> SO4^{2}- + 2FeS + 2 H+}}} 4 SO 3 2 −...
-
ferric oxyhydroxide FeOOH, but some
chloride (or fluoride) ions are
normally included in the structure, so a more
accurate formula is
FeO 0.833(OH) 1.167Cl...
- oxidized.
Pyrite oxidation produces insoluble brown iron
oxyhydroxide (
FeOOH) and
sulfuric acid
leading to the
formation of
relatively soluble gypsum...
- the
teeth themselves. The
first mineral to be
deposited is
goethite (α-
FeOOH), a soft iron
oxide which forms crystals parallel to the
chitin fibers....
-
wollastonite (CaSiO3)
mixed with
minor amounts of
hematite and
goethite (
FeOOH). The
color of the
specimens studied by Paul
Heinrich ranged from dark reddish...
-
catalysts in the
formation of a p****ive
protective film of
misawite (d-
FeOOH), an
amorphous iron
oxyhydroxide that
forms a
barrier by
adhering next to...
