» This article's about the mineral wurtzite. For the wurtzite crystal structure, see Wurtzite (crystal structure). Wurtzite's a zinc iron sulfide mineral ((Zn,Fe)S) a less frequently encountered mineral form of sphalerite. Its crystal structure's called the wurtzite crystal structure, to which it lends its name. This structure's a member of the hexagonal crystal system and consists of tetrahedrally coordinated zinc and sulfur atoms that're stacked in an ABABAB pattern. The unit cell parameters… (More on Wurtzite)