Hudčice I

Chemical composition (XRF)

ElementContent [%]
Na2O 2,95
MgO 3,31
Al2O3 16,0
SiO2 60,2
P2O5 0,43
S 0,10
Cl 0,03
K2O 5,00
CaO 4,90
TiO2 0,89
MnO 0,09
Fe2O3 5,70

Phase composition (XRD)

Diffraction pattern:

Popis difraktogramu:

In hudčice 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.