<|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
135 135 64
Mg
0.00 0.00 0.98
Be
0.00 0.00 0.00
Be
0.78 0.00 0.99
P
0.00 0.78 0.99
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.7 4.7 4.7
135 135 64
Mg
0.00 0.00 0.98
Be
0.00 0.00 0.00
Be
0.78 0.00 0.99
P
0.00 0.78 0.99
Identify the crystal system.