Velký Grunov

Phase composition (XRD)

Diffraction pattern:

Description:

Dominant cristalline phase is quartz, furthermore are present microcline, albite and illite.
 

Chemical composition (XRF)

ElementContent [%]
Na2O 0,42
MgO 0,26
Al2O3 0,81
SiO2 96,8
P2O5 0,04
K2O 1,07
CaO 0,13
TiO2 0,15
Fe2O3 0,32