<|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:
4.7 4.7 4.7
129 129 73
Zr
0.00 0.00 0.73
Fe
0.00 0.00 0.00
Si
0.98 0.00 0.87
Si
0.00 0.98 0.87
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.7 4.7 4.7
129 129 73
Zr
0.00 0.00 0.73
Fe
0.00 0.00 0.00
Si
0.98 0.00 0.87
Si
0.00 0.98 0.87
Identify the crystal system.