| Physical | SBET (m2・g−1) | 443.134 | |
| Pore volume (cm3・g−1) | 0.220 | ||
| Pore size (Ǻ) | 23.619 | ||
| Chemical | Acid (meq・g−1) | -OH | 0.172 |
| -COO- | 1.038 | ||
| -COOH | 2.780 | ||
| Base (meq・g−1) | 1.075 | ||
| pH | 10.2 | ||
| Structure | Grain size (mm) | 1 < ϕ < 2 | |
| Appearance | Spangle | ||