Material name Sphalerite 
Composition ZnS
Chemical formula weight 97.45
System Cubic
Temperature (ºC) 25
a (Å), b (Å), c (Å) 5.4093 5.4093 5.4093 @
α (deg), β (deg), γ (deg) 90 90 90 @
Unit cell volume (Å3) 158.3
Calculated density (g/p3) 4.09
Z 4
Space group F43m (No.216)
atom site g x/a y/b z/c B2)
Zn 4a 1 0 0 0 0.879(5)
S 4c 1 1/4 1/4 1/4 0.724(4)

Reference: G.J. McIntyre, G. Moss, and Z. Barnea, Acta Crystallographica A, 36, 482 (1980).