| Size (µm) | Product | Middling | Rejects | ||||||
| +500 | 500 - 125 | −125 | +500 | 500 - 125 | −125 | +500 | 500 - 125 | −125 | |
| SiO2 | 99.37 | 99.58 | 90.32 | 99.20 | 99.51 | 98.35 | 99.19 | 99.47 | 98.15 |
| TiO2 | 0.00 | 0.01 | 0.85 | 0.02 | 0.02 | 0.32 | 0.02 | 0.04 | 0.59 |
| Al2O3 | 0.00 | 0.00 | 5.16 | 0.00 | 0.00 | 0.29 | 0.03 | 0.00 | 0.14 |
| Fe2O3 | 0.00 | 0.00 | 0.41 | 0.00 | 0.00 | 0.04 | 0.01 | 0.01 | 0.04 |
| MnO | 0.00 | 0.02 | 0.01 | 0.00 | 0.01 | 0.02 | 0.00 | 0.00 | 0.02 |
| MgO | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| CaO | 0.06 | 0.04 | 0.20 | 0.02 | 0.04 | 0.08 | 0.05 | 0.05 | 0.08 |
| Na2O | 0.08 | 0.00 | 0.02 | 0.03 | 0.03 | 0.04 | 0.11 | 0.06 | 0.08 |
| K2O | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| P2O5 | 0.02 | 0.01 | 0.15 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.03 |
| LOI | 0.15 | 0.20 | 2.43 | 0.25 | 0.08 | 0.43 | 0.10 | 0.10 | 0.33 |
| Total | 99.68 | 99.86 | 99.56 | 99.54 | 99.72 | 99.59 | 99.53 | 99.75 | 99.47 |