One of the most widespread oxide minerals with the general formula Fe3O4 (iron oxide) found in a number of geological environments including sand grains in beach or river deposits Magnetite is magnetic with some forms (lodestone) showing polarity
A black isometric mineral of the spinal group that is an oxide of iron and an important iron ore
Fe3O4 A black, magnetic iron oxide mineral usually inherited from igneous rocks Often found in soils as black magnetic sand grains
It is readily attracted by a magnet and sometimes possesses polarity, being then called loadstone
A naturally occurring mineral that is magnetic Frequently occurs in biological organisms that utilize magnetic information for survival Newts and Homing Pigeons, for example, are believed to use structures containing magnetite to navigate