magnetic iron ore structure

Magnetite Facts & Figures | The Magnetite Network By comparison, magnetite ore typically has a much lower iron content when mined of between 25% and 40% Fe and in this form is unsuitable for steel making. The main iron mineral in magnetite ore is the ferrous iron oxide magnetite (Fe 3 O 4 ). Minerals Flashcards | Quizlet Magnetite is an iron-black oxide mineral that is a source of iron. It is the most common magnetic mineral and the magnetism is therefore diagnostic. Magnetite can occur as well-shaped crystals or granular masses. It has a hardness of 6 and a black streak. Why we use hematite over magnetite as iron ore? - Quora The united States, however, use greater amount of magnetite for iron making due to its greater availability there. Check the reserves of other iron ore rich nations/zones like Brazil, Australia, south Africa etc.    Read More