| Species | SiO2 | Al2O3 | CaO | MgO | FeO | Fe2O3 | Cr2O3 |
|
| % | ||||||
| Dolomite | 11.0 | 2.5 | 50 | 28.0 | - | 3.0 |
|
| Hematite ore | 18.0 | 8.5 | - | 1.0 | - | 78.0 |
|
| Chromium iron ore | 6.5 | 15.5 | 1.5 | 15.5 | 15.5 | 8.0 | 36.5 |
| Hornblendite | 37.75 | 15.0 | 11.2 | 12.4 | 14.5 |
|
|
| Amphibolite | 44.22 | 16.83 | 12.2 | 7.81 | 14.13 |
|
|
| Diabase | 50.42 | 13.35 | 8.0 | 3.99 | 15.92 |
|
|
| Marble | - | - | 31.24 | 20.87 | - | - |
|