<|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:
2.8 2.8 6.8
90 90 90
Be
0.00 0.00 0.67
Co
0.41 0.41 0.75
Au
0.00 0.00 0.61
Au
0.41 0.41 0.06
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.8 2.8 6.8
90 90 90
Be
0.00 0.00 0.67
Co
0.41 0.41 0.75
Au
0.00 0.00 0.61
Au
0.41 0.41 0.06
Identify the crystal system.