Sample

SiO₂

Al₂O₃

CaO

MgO

Fe₂O₃

P₂O₅

TiO₂

Na₂O

K₂O

FeO

LOI

Sb6

45.48

13.94

5.96

5.66

5.16

0.75

2.94

2.73

3.1

8.79

4.63

Sb7

44.45

14.74

8.82

6.45

4.83

0.87

2.05

2.71

1.83

9.39

2.66

Sb24

51.78

15.52

7

2.07

3.65

0.96

1.09

5.85

2.38

3.66

3.54

Sb27

48.42

15.72

3.61

9.47

4.69

0.64

1.8

3.14

0.05

8.33

3.36

Sb37

51.22

11.9

7.38

4.06

6.3

0.74

1.41

3.75

2

8.33

1.22