Phase composition (XRD)
Description:
Dominant crystalline phase is quartz, not possible to exclude small amount kaolinite.
Chemical composition (XRF)
| Element | Content [%] |
| MgO | 0,20 |
| Al2O3 | 2,66 |
| SiO2 | 92,4 |
| P2O5 | 0,09 |
| S | 0,02 |
| K2O | 0,48 |
| CaO | 0,14 |
| TiO2 | 0,45 |
| Fe2O3 | 1,85 |