Composition

Al₂O₃

MgO

SiO₂

Na₂O

Fe₂O₃

Cl

CaO

K₂O

F

CuO

Other

(A) Mass pct

73.14

7.00

4.27

3.59

3.31

2.95

1.53

0.78

0.75

0.61

2.07

(B) Mass pct

73.93

6.20

6.56

0.88

5.80

0.42

1.52

0.30

0.63

0.94

2.82