Hematite is a bit more common than magnetite, but both are usually found somewhat intermixed. This page may be out of date. Save your draft before refreshing this page. read more
Magnetite ore and hematite ore are among the four types of iron ore deposits found in this area. In Minnesota, this type of iron ore is mined mainly in the Mesabi Range, one of the four ranges that make up the Iron Range of Minnesota. read more
Magnetite vs Hematite . Magnetite and hematite are minerals of iron. Both have iron in different oxidation states, and they are in the forms of iron oxides. Magnetite. Magnetite is an iron oxide with the chemical formula Fe 3 O 4. Actually, it is a mixture of two iron oxides, FeO and Fe 2 O 3. Therefore, this can be also shown as FeO·Fe 2 O 3. read more