which is the natural magnet
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A lodestone is a naturally magnetized piece of the mineral magnetite. They are naturally occurring magnets, which can attract iron. The property of magnetism was first discovered in antiquity through lodestones.
Ferrite magnets, also known as ceramic magnets are a type of permanent magnet and are made of the chemical compound ferrite, which consists of ceramic materials and iron oxide (Fe2O3), the chemical composition is SrO-6(Fe2O3).
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A substance which is of metal.
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