Magnetite Fe3O4, is one of the main iron ores. As an accessory phase it is abundant in almost all igneous and metamorphic rocks.
Magnetite found in the Jacupiranga Carbonatite Complex in Brazil
Principal component is Fe 72.4 %m/m.
Transition metals (Sc, Ti, Va, Cr, Mn, Co, Ni, Cu, Zn) range from 0.2-850 µg/g.
|original certificate of analysis|