Černá Voda

Chemical composition (XRF)

ElementContent [%]
Na2O 3,16
MgO 0,51
Al2O3 15,0
SiO2 69,1
P2O5 0,16
S 0,01
Cl 0,03
K2O 7,00
CaO 1,69
TiO2 0,36
MnO 0,04
Fe2O3 2,66

Phase composition (XRD)

Diffraction pattern:

Popis difraktogramu:

In slezská granite from Černá Voda were found quartz SiO2,
microcline K2O•Al2O3•6SiO2,
albite Na2O•Al2O3•6SiO2 and
biotite KFeMg2(AlSi3O10)(OH)2.