Phase composition (XRD)
Description:
Dominant cristalline phase is quartz, furthermore present albite, microcline and illite.
Chemical composition (XRF)
| Element | Content [%] |
| Na2O | 0,94 |
| MgO | 0,76 |
| Al2O3 | 7,85 |
| SiO2 | 83,1 |
| P2O5 | 0,13 |
| K2O | 2,85 |
| CaO | 1,59 |
| TiO2 | 0,57 |
| Fe2O3 | 2,21 |