occupying the octahedral holes. Notice that the octahedral holes are ... will occupy the latice points that define the face centered cubic unit cell, with the zinc ions occupying the tetrahedral holes ...

The structure has face-centered cubic symmetry, and is a little heavy to understand. The general formula is AB 2 O 4. The oxygens form an fcc lattice. The A cations occupy tetrahedral holes, and the B ...