Compound

% Content

Compound

% Content

SiO₂

38.37

P₂O₅

0.53

CaO

26.55

SrO

0.152

Al₂O₃

14.37

MnO

0.075

MgO

7.67

BaO

0.043

Fe₂O₃

5.55

Cr₂O₃

0.035

K₂O

3.25

Rb₂O

0.03

Na₂O

1.5

ZnO

0.015

TiO₂

0.96

NiO

0.0113

SO₃

0.89

CuO

0.006