Chemical composition (XRF)
| Element | Content [%] |
| MgO | 0,08 |
| Al2O3 | 6,40 |
| SiO2 | 92,0 |
| P2O5 | 0,06 |
| SO3 | 0,04 |
| Cl | 0,02 |
| K2O | 0,25 |
| CaO | 0,05 |
| TiO2 | 0,06 |
| Fe2O3 | 0,13 |
Phase composition (XRD)
Diffraction pattern:
Popis difraktogramu:
In havlovice sandstone was found only quartz SiO2.