- Ashe County: Magnetite is found as part of iron oxide deposits within amphibolites and quartzites in Ashe County.
- Burke County: Minor occurrences of magnetite have been reported in Burke County, associated with iron ore deposits.
- Cleveland County: Magnetite occurs in iron ore deposits within the Kings Mountain Belt in Cleveland County.
- Jackson County: Magnetite is present in the chromite deposits of Jackson County.
- Mitchell County: Magnetite occurs as an accessory mineral in mica schists and gneisses in Mitchell County.
- Rutherford County: Magnetite is found in the iron ore deposits within the Kings Mountain Belt in Rutherford County.
- Yancey County: Occurrences of magnetite have been reported in Yancey County, associated with chromium deposits.