NIGERIA
Property | Specification |
Common Name | Iron Ore |
Chemical Composition | Mainly iron oxides (Fe2O3, Fe3O4) |
Color | Reddish-brown, dark gray, black |
Hardness (Mohs scale) | 5.5–6.5 |
Density | 3.5–5.2 g/cm³ (varies by type) |
Luster | Metallic to dull |
Magnetic Properties | Magnetic (especially magnetite) |
Texture | Granular, crystalline, or earthy |
Typical Size Range | Fine particles to large chunks |
Common Types | Hematite, Magnetite, Goethite, Limonite |
Specific Gravity | 4.9–5.2 (hematite), 5.2 (magnetite) |
Moisture Content | Varies, typically 5–15% in natural ore |