Mrákotín I

Chemical composition (XRF)

ElementContent [%]
Na2O 2,86
MgO 0,82
Al2O3 17,0
SiO2 68,6
P2O5 0,38
S 0,02
Cl 0,02
K2O 6,60
CaO 1,01
TiO2 0,34
Fe2O3 2,11

Phase composition (XRD)

Diffraction pattern:

Popis difraktogramu:

In mrákotín granite were found quartz SiO2, albite Na2O•Al2O3•6SiO2,
microcline K2O•Al2O3•6SiO2 and
illite 2K2O•3MgO•Al2O3•24SiO2•12H2O.