<|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:
5.1 5.1 2.8
90 90 116
Mg
0.35 0.83 0.40
Mg
0.35 0.17 0.40
Cr
0.00 0.00 0.00
Fe
0.71 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.1 5.1 2.8
90 90 116
Mg
0.35 0.83 0.40
Mg
0.35 0.17 0.40
Cr
0.00 0.00 0.00
Fe
0.71 0.00 0.00
Identify the crystal system.