Phase composition (XRD)
Description:
Dominant cristalline phase is quartz, furthermore present albite, microcline and illite.
Chemical composition (XRF)
| Element | Content [%] |
| Na2O | 0,59 |
| MgO | 0,74 |
| Al2O3 | 2,46 |
| SiO2 | 91,6 |
| P2O5 | 0,12 |
| SO3 | 0,07 |
| K2O | 2,39 |
| CaO | 0,28 |
| TiO2 | 0,40 |
| Fe2O3 | 1,35 |