<|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:
3.4 4.3 6.8
90 96 90
Tl
0.25 0.14 0.06
Tl
0.43 0.14 0.66
Zn
0.00 0.00 0.00
Ge
0.63 0.00 0.36
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.4 4.3 6.8
90 96 90
Tl
0.25 0.14 0.06
Tl
0.43 0.14 0.66
Zn
0.00 0.00 0.00
Ge
0.63 0.00 0.36
Identify the crystal system.