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Magnetite is a
mineral and one of the main iron ores, with the
chemical formula Fe2+Fe3+2O4. It is one of the
oxides of iron, and is ferrimagnetic; it...
- or deep
purple to
rusty red. The iron is
usually found in the form of
magnetite (Fe 3O 4, 72.4% Fe),
hematite (Fe 2O 3, 69.9% Fe),
goethite (FeO(OH),...
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Lodestones are
naturally magnetized pieces of the
mineral magnetite. They are
naturally occurring magnets,
which can
attract iron. The
property of magnetism...
- a
lipid bilayer membrane. Each
magnetosome can
often contain 15 to 20
magnetite crystals that form a
chain which acts like a comp****
needle to orient...
-
chemical compound with
formula Fe3O4. It
occurs in
nature as the
mineral magnetite. It is one of a
number of iron oxides, the
others being iron(II) oxide...
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Centrex Metals Limited is an
Australian resources exploration and
mining company.
Founded in 2001,
Centrex Metals was
listed on the
Australian Securities...
- is
typically dark grey or
blackish in color. It is
composed mainly of
magnetite, Fe3O4, and also
contains small amounts of titanium, silica, manganese...
- high-purity
magnetite (Fe3O4). The
pulverized iron is
oxidized to give
magnetite or wüstite (FeO,
ferrous oxide)
particles of a
specific size. The
magnetite (or...
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commonly present as
magnetite, iron silicates, and iron-bearing carbonates, and
locally martite (hematite)
formed by
oxidation of
magnetite.
Horizons containing...
- hematite, with Fe3+ state, or in
somewhat less
oxidizing environments,
magnetite, with a
mixture of Fe3+ and Fe2+. Wüstite, in geochemistry,
defines a...
