<|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:
4.8 4.8 4.8
137 137 61
Mg
0.00 0.00 0.00
Cr
0.73 0.00 0.08
Cr
0.00 0.73 0.08
Fe
0.00 0.00 0.16
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.8 4.8 4.8
137 137 61
Mg
0.00 0.00 0.00
Cr
0.73 0.00 0.08
Cr
0.00 0.73 0.08
Fe
0.00 0.00 0.16
Identify the crystal system.