<|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:
7.3 7.3 7.3
59 59 59
Ba
0.42 0.42 0.85
Ba
0.42 0.85 0.42
Ba
0.85 0.42 0.42
Ba
0.85 0.85 0.85
Zr
0.00 0.00 0.00
Hg
0.70 0.70 0.70
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
7.3 7.3 7.3
59 59 59
Ba
0.42 0.42 0.85
Ba
0.42 0.85 0.42
Ba
0.85 0.42 0.42
Ba
0.85 0.85 0.85
Zr
0.00 0.00 0.00
Hg
0.70 0.70 0.70
Identify the crystal system.