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Chalcogen, Conductor, Semiconductor, Ketterson, Tetragonal
P1314751-2
P1314751-1
P1314751-3
P1612135-4
P1612135-1
P1612135-3
P1612136-2
P1612136-1
P1612135-2
P1612136-3
P1612136-4
P1612135-5