Element %

Si

Al

Na

S

O

Bal.

XRF

18.7

13.5

16.1

12.3

38.1

1.3

Na₈Al₆Si₆O₂₄S₄

16.4

15.8

17.9

12.5

37.4

-

Na₇Al₆Si₆O₂₄S₃

17.4

16.7

16.6

9.9

39.5

-0.1