<|im_start|>system
Please reason step by step, and put your final answer within \boxed{}.<|im_end|>
<|im_start|>user
Given the following crystal representation:
3.0 3.0 9.1
90 90 90
Mg
0.00 0.00 0.90
Zr
0.48 0.48 0.31
Ti
0.48 0.48 0.23
Ti
0.00 0.00 0.15
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.0 3.0 9.1
90 90 90
Mg
0.00 0.00 0.90
Zr
0.48 0.48 0.31
Ti
0.48 0.48 0.23
Ti
0.00 0.00 0.15
Identify the crystal system.