Phase composition (XRD)
Description:
Dominant cristalline phase is quartz, furthermore present microcline, albite and illite.
Chemical composition (XRF)
| Element | Content [%] |
| Na2O | 1,93 |
| MgO | 1,18 |
| Al2O3 | 10,7 |
| SiO2 | 76,3 |
| P2O5 | 0,32 |
| K2O | 5,90 |
| CaO | 1,23 |
| TiO2 | 0,32 |
| Fe2O3 | 2,12 |