Phase composition (XRD)
Description:
Dominant cristalline phase is quartz, furthermore present albite and microcline.
Chemical composition (XRF)
| Element | Content [%] |
| Na2O | 0,37 |
| MgO | 0,79 |
| Al2O3 | 6,02 |
| SiO2 | 87,9 |
| P2O5 | 0,15 |
| SO3 | 0,04 |
| K2O | 2,03 |
| CaO | 0,34 |
| TiO2 | 0,31 |
| Fe2O3 | 2,05 |