SZn
Evans, H. T.McKnight, E. T.
American Mineralogist (1959) 44, 1210-1218
a=3.82Å b=3.82Å c=24.96Å
α=90° β=90° γ=120°
S5Zn5
a=3.824Å b=3.824Å c=31.20Å