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