Phase composition (XRD)
Description:
Dominant cristalline phase is quartz, furthermore are present microcline, albite and illite.
Chemical composition (XRF)
| Element | Content [%] |
| Na2O | 0,42 |
| MgO | 0,26 |
| Al2O3 | 0,81 |
| SiO2 | 96,8 |
| P2O5 | 0,04 |
| K2O | 1,07 |
| CaO | 0,13 |
| TiO2 | 0,15 |
| Fe2O3 | 0,32 |