| Components | ABD | ARD |
| Physical parameters | ||
| Bulk density (g/cm3) | 2.4 | 2.5 |
| Specific surface area (m2/g) | 42.2 | 23.3 |
| Plasticity index | 25 | 23 |
| Clay phase: 2 < Ф < 20 µm | 51.6 | 48.5 |
| Clay phase: Ф < 2 µm (%) | 48.5 | 51.0 |
| Chemical composition | ||
| SiO2 | 52.40 | 51.20 |
| Al2O3 | 30.90 | 30.40 |
| Fe2O3 | 1.80 | 3.70 |
| K2O | 5.90 | 4.80 |
| TiO2 | 1.60 | 1.60 |
| MgO | 0.50 | 0.40 |
| CaO | 0.10 | 0.10 |
| Na2O | 0.20 | 0.10 |
| P2O5 | 0.10 | 0.10 |
| Cr2O3 | 0.02 | 0.02 |
| SO3 | 0.13 | 0.030 |
| MnO | <0.01 | <0.01 |
| LOI | 6.20 | 7.50 |
| Total | 99.74 | 99.96 |
| Mineralogical composition (%) | ||
| Kaolinite | 57.4 | 55.1 |
| Muscovite | 27.0 | 19.9 |
| Quartz | 11.3 | 18.3 |
| Hematite | 1.8 | / |
| Anatase | 1.6 | 1.6 |
| Gibbsite | 0.6 | 0.5 |
| Goethite | / | 4.6 |
| Total | 99.70 | 100.00 |