Phase composition (XRD)
Description:
Dominant cristalline phase is quartz, furthermore present albite, microcline and illite.
Chemical composition (XRF)
| Element | Content [%] |
| Na2O | 1,52 |
| MgO | 0,49 |
| Al2O3 | 9,34 |
| SiO2 | 81,3 |
| P2O5 | 0,13 |
| K2O | 4,50 |
| CaO | 0,86 |
| TiO2 | 0,22 |
| Fe2O3 | 1,64 |