Řásná

Chemical composition (XRF)

ElementContent [%]
Na2O 2,77
MgO 0,53
Al2O3 16,0
SiO2 69,7
P2O5 0,30
K2O 7,00
CaO 1,03
TiO2 0,32
Fe2O3 2,07

Phase composition (XRD)

Diffraction pattern:

Popis difraktogramu:

In řásná granite were found quartz SiO2, orthoclase KAlSi3O8,
oligoclase (Na,Ca)Al(Al,Si)Si2O8 and biotite KFeMg2(AlSi3O10)(OH)2.