| Chemical Composition | Mineralogical Composition | ||
| Oxide | Tenor (%) | Mineral | Tenor (%) |
| SiO2 | 50.20 | Kaolinite | 61 |
| Al2O3 | 25.42 | Illite | 5.05 |
| Fe2O3 | 9.33 | Quartz | 19.67 |
| MnO | | Goethite | 10.38 |
| MgO | 0.38 | Anatase | 2.03 |
| CaO | 0.07 | Total | 98.83 |
| Na2O | 0.08 | Undetermined | 0.7 |
| K2O | 1.0 |
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| TiO2 | 2.03 |
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| P2O5 | 0.06 |
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| NiO | 0.02 |
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| LOI(1050˚C) | 11.24 |
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| Total | 99.83 |
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| SIO2/Al2O3 | 1.97 |
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