I have a problem defining my mat[2], can you help me?

THANKS

[ M a t e r i a l ]

mat[1] Ce 2 O 12 W 3

mat[2] Si 1 O 2

[ Mat Name Color ]

mat name color

1 x=0 pastelyellow

2 Substrat pastelblue

[ S u r f a c e ]

10 so 500

11 cz 4

12 pz 0

13 pz 1

14 cz 4

15 pz 1

16 pz 2

[ C e l l ]

100 -1 10

101 1 -6.77 -11 12 -13

102 2 -2.65 -14 15 -16

110 0 -10 #101