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Magnetite is a
mineral and one of the main iron ores, with the
chemical formula Fe3O4. It is one of the
oxides of iron, and is ferrimagnetic; it is attracted...
- 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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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...
- A
lodestone is a
naturally magnetized piece of the
mineral magnetite. They are
naturally occurring magnets,
which can
attract iron. The
property of magnetism...
- (tin-tungsten),
typified by the Tombstone,
Arizona deposits Hydromagmatic magnetite iron ore
deposits and
skarns Skarn ore
deposits of copper, lead, zinc...
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common present as
magnetite, iron silicates, and iron-bearing carbonates, and
locally martite (hematite)
formed by
oxidation of
magnetite.
Horizons containing...
- is
typically dark grey or
blackish in colour. It is
composed mainly of
magnetite, Fe3O4, and also
contains small amounts of titanium, silica, manganese...
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rimmed with leucoxene,
which allows ilmenite to be
distinguished from
magnetite and
other iron-titanium oxides. The
example shown in the
image at right...
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Magnetite Bluff (83°22′S 51°15′W / 83.367°S 51.250°W / -83.367; -51.250Coordinates: 83°22′S 51°15′W / 83.367°S 51.250°W / -83.367; -51.250) is a...
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obtained by
reduction of high-purity
magnetite (Fe3O4). The
pulverized iron
metal is
burnt (oxidized) to give
magnetite or wüstite (FeO,
ferrous oxide) of...
