Chemical composition (XRF)
Element | Content [%] |
Na2O | 0,12 |
MgO | 0,28 |
Al2O3 | 2,96 |
SiO2 | 91,9 |
K2O | 1,07 |
CaO | 0,32 |
TiO2 | 0,18 |
Fe2O3 | 1,11 |
Phase composition (XRD)
Diffraction pattern:
Popis difraktogramu:
Dominant cristalline phase is quartz SiO2, furthermore present orthoclase KAlSi3O8.