| Size (µm) | Product | Middling | Reject | ||||||
| +500 | 500 - 125 | −125 | +500 | 500 - 125 | −125 | +500 | 500 - 125 | −125 | |
| SiO2 | 99.40 | 99.66 | 90.81 | 99.19 | 99.49 | 97.66 | 99.17 | 98.90 | 98.33 |
| TiO2 | 0.00 | 0.01 | 0.84 | 0.01 | 0.01 | 0.46 | 0.01 | 0.15 | 0.81 |
| Al2O3 | 0.00 | 0.00 | 5.04 | 0.00 | 0.00 | 0.76 | 0.00 | 0.00 | 0.05 |
| Fe2O3 | 0.00 | 0.00 | 0.36 | 0.00 | 0.00 | 0.07 | 0.00 | 0.02 | 0.05 |
| MnO | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 | 0.01 |
| MgO | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| CaO | 0.05 | 0.04 | 0.20 | 0.05 | 0.04 | 0.10 | 0.05 | 0.06 | 0.08 |
| Na2O | 0.02 | 0.13 | 0.11 | 0.14 | 0.08 | 0.02 | 0.04 | 0.08 | 0.00 |
| K2O | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| P2O5 | 0.01 | 0.02 | 0.15 | 0.02 | 0.01 | 0.04 | 0.02 | 0.02 | 0.03 |
| LOI | 0.13 | 0.03 | 2.19 | 0.10 | 0.15 | 0.53 | 0.25 | 0.18 | 0.30 |
| Total | 99.61 | 99.89 | 99.76 | 99.51 | 99.78 | 99.64 | 99.55 | 99.43 | 99.67 |