15-30-15+2MgO
13-40-13
12-12-36+2MgO
20-20-20+2MgO
20-10-20+2MgO
17-10-27
15-15-30+2MgO
10-52-10+0.5MgO
10-40-10+2MgO
10-10-40+2MgO
6-20-30+7MgO
10-52-10
20 -20 -20 +TE
15 -30 -15
15-15-30
10-10 -40
13-5-42
26-6-11
10+40+10
12 -12 -36
