Point

Cations of network former, modifier and intermediates [at.-%]

Si

La

P

Ge

Na

K

Sr

Nb

Zn

Ta

Zr

Gd

W

Bi

5-1

2.4

22.8

7.0

3.2

36.5

5.9

8.2

8.3

5.7

5-2

2.4

23.0

7.7

3.9

35.7

5.0

9.3

8.0

5.1

5-3

0.9

22.6

10.2

3.7

35.6

5.0

8.4

8.1

5.4

A6-1

31.0

4.8

7.4

8.6

3.3

31.2

6.9

6.7

A6-2

31.1

5.0

7.2

8.2

3.3

30.1

6.6

7.1

A6-3

30.8

4.8

7.2

8.8

3.3

29.9

7.6

7.7

6-4

34.5

5.9

9.7

6.8

2.6

25.1

5.8

9.3

6-5

29.2

4.1

8.0

9.0

3.0

32.7

7.3

6.5