CHROMITE ORE LUMPS
| Form | Lumps |
| Size Range | 10 mm to 150 mm (can vary as per grade) |
| Color | Black to dark brown |
| Luster | Metallic to sub-metallic |
| Hardness (Mohs Scale) | 5.5 to 6.5 |
| Density | 4.5 to 5.1 g/cm³ |
| Fracture | Uneven to subconchoidal |
| Cleavage | Poor or indistinct |
| Porosity | Low |
| Moisture Content | Typically below 5% |
| Impurities | Silica, Alumina, Iron Oxide (Fe?O?), etc. |
