- 1. Hematite (Fe,O)
Iron Content: 40–70% (high grade)
Color: Reddish-brown
Properties: High iron content, low impurities
Uses: Best for steel production
Form: Lump ores, fines
- 2. Magnetite (Fe₃O₄)
Iron Content: 55–70%
Color: Black
Properties: Magnetic, suitable for beneficiation
Uses: Steel production, pelletizing
Form: Fines, concentrates
- 3. Goethite (FeO(OH))
Iron Content: 30–67%
Color: Yellowish-brown
Properties: Low to medium grade, hydrous
Uses: Mostly in steel industry
Form: Fines, lumps
- 4. Limonite (FeO(OH)·H₂O)
Iron Content: 20–55%
Color: Yellow-brown
Properties: Hydrous, low grade
Uses: Sometimes blended for iron production
- 5. Siderite (FeCO₃)
Iron Content: ~48%
Color: Brownish
Properties: Carbonate ore, needs calcination
Uses: Mostly used in steel production after processing
