Property | Specification |
Appearance | Hard, dense, and heavy; color varies from reddish-brown to dark gray |
Form | Lumps, fines, pellets, or sinter |
Size Range | Lumps: 10–40 mm; Fines: <10 mm; Pellets: 8–18 mm |
Density | 4.5 – 5.3 g/cm³ (depending on ore type) |
Specific Gravity | ~4.8 – 5.3 |
Hardness | 5.5 – 6.5 (Mohs scale) |
Melting Point | ~1,538°C (varies slightly depending on impurities) |
Texture | Granular to crystalline |
Surface | Rough or dusty (especially in fines) |
Moisture Content | Typically 6–12% (varies based on storage and ore type) |
Major Ore Types | Hematite (Fe₂O₃), Magnetite (Fe₃O₄), Goethite, Limonite |
Color | Hematite: Red/Brown; Magnetite: Black; Goethite/Limonite: Yellow/Brown |
Bulk Density | Lumps: ~2.5 – 3.0 t/m³; Fines: ~2.0 – 2.5 t/m³ |