Chemical composition

Oxides

SiO₂

Al₂O₃

Fe₂O₃

MnO

MgO

Na₂O

K₂O

TiO₂

LOI

Total

(wt.%)

71.42

19.5

0.4

0.0

0.23

0.36

1.68

0.82

5.30

99.7

Mineralogical composition

Minerals

Kaolinite

Quartz

Illite

Total

(wt.%)

34

49

15

98