noun
- a black magnetic mineral that is an important iron ore, consisting of iron oxide
Usage: geology; mineralogy
Examples
- The geologist identified magnetite deposits in the mountain range.
- Magnetite is strongly attracted to magnets due to its iron content.
- Ancient sailors used magnetite as a natural compass.
- The mining company extracted magnetite to produce steel.
- Magnetite crystals formed octahedral shapes in the rock sample.
- The beach sand contained small grains of magnetite that stuck to the magnet.