Linked from
The 23 pages that link to Magnetite, each with the reason it gives.
Iron oreBroader topic: Magnetite deposits can yield high-grade concentrate after beneficiation.
SkarnBroader topic: Magnetite is abundant in many iron skarns and can aid geophysical exploration.
Spinel groupBroader topic: Its inverse-spinel structure makes it a prominent magnetic group member.
Iron(II,III) oxideBroader topic: This mineral is the naturally occurring form of iron(II,III) oxide.