Magnetite is a rock with magnetic properties
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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 to a magnet and can be magnetized to become a permanent magnet itself. It is the most magnetic of all the naturally occurring minerals on Earth.
Color: Black, gray with brownish tint in reflected sun
Streak: Black
Luster: Metallic
Fracture: Uneven
Specific gravity: 5.17–5.18
Lodestone: Magnetic with definite north and south poles
Crystal system: Isometric
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