Vepice

Chemical composition (XRF)

ElementContent [%]
Na2O 1,93
MgO 5,40
Al2O3 13,6
SiO2 58,2
P2O5 1,01
S 0,13
Cl 0,02
K2O 8,00
CaO 4,14
TiO2 1,08
MnO 0,10
Fe2O3 5,90

Phase composition (XRD)

Diffraction pattern:

Popis difraktogramu:

In vepice granite were found quartz SiO2,
albite Na2O•Al2O3•6SiO2, microcline K2O•Al2O3•6SiO2, biotite
KFeMg2(AlSi3O10)(OH)2 and riebeckite(Na, Ca)2(Fe, Mn)3Fe2(Si, Al)8O22(OH, F)2.