VERB + MAGNETITE
called, magnetized
noun
A magnetic mineral, Fe₃O₄, one of the primary ores of iron.
Appropriately enough, the commonest of these, a simple iron oxide, is called magnetite.
Any instance of iron(II,III) oxide, regardless of whether it is a geologic mineral or a chemical result or product.
The magnetite is attracted to the earth's magnetic field.
Lodestones are magnetized pieces of magnetite.