| Species name | % | Oxide composition |
|
| |||||||||
| SiO2 | Al2O3 | CaO | MgO | FeO | Fе2O3 | ||||||||
| % | Wt | % | Wt | % | Wt | % | Wt | % | Wt | % | Wt | ||
| Basalt | 88 | 44.0 | 88 | 14.8 | 88 | 8.33 | 88 | 6.33 | 88 | 5.33 | 83 | 5.62 | 88 |
| Marble | 9 | 11.0 |
| 2.5 |
| 50.0 | 13 | 28.0 | 13 |
|
| 3.0 |
|
| Chromium iron ore | 3.0 | 6.5 | 3 | 15.5 | 3 | 1.5 | 3 | 15.5 | 3 | 16.0 | 3 | 8.0 | 3 |
| Calculated chemical composition | 88 | 41.28 |
| 13.76 |
| 11.77 |
| 8.12 |
| 5.65 |
| 5.35 |
|