Phase composition (XRD)
Description:
Dominant cristalline phase is quartz, furthermore present microcline, albite and illite.
Chemical composition (XRF)
| Element | Content [%] |
| Na2O | 1,92 |
| MgO | 1,53 |
| Al2O3 | 11,2 |
| SiO2 | 74,5 |
| P2O5 | 0,26 |
| K2O | 6,40 |
| CaO | 1,36 |
| TiO2 | 0,40 |
| Fe2O3 | 2,43 |