Bratříkov

Chemical composition (XRF)

ElementContent [%]
Na2O 0,89
MgO 1,34
Al2O3 22,4
SiO2 56,5
P2O5 0,07
K2O 5,28
CaO 0,21
TiO2 0,96
Fe2O3 8,07

Phase composition (XRD)

Diffraction pattern:

Popis difraktogramu:

In železnobrodská slate were found quartz SiO2, clinochlore
Mg5Al (AlSi3O10) (OH)8, albite Na2O∙Al2O3∙6SiO2, muscovite (K,Na)(Al,Mg,Fe)2(Si3,1Al0,9)O10(OH)2.