Mineral reference
Properties with context.
Magnetite versus hematite
| Property | Magnetite | Hematite |
|---|---|---|
| Formula | Fe₃O₄ | Fe₂O₃ |
| Typical streak | Black | Red |
| Commercial grade | Requires assay | Requires assay |
| Processing selection | Depends on the actual feed, liberation, impurities and product specification. | |
Streak reference: USGS identification guidance. This table is educational, not a sample identification service.
Sources: USGS iron ore overview and University of Waterloo Earth Sciences Museum. Reviewed 23 September 2026.