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nounan oxide of iron that is strongly attracted by magnets
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Definition that contains magnetite
- emery a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper)
- taconite a variety of chert containing magnetite and hematite; mined as a low-grade iron ore
- lodestone a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically
- loadstone a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically