TiO2 (titanium dioxide, download cif) is the nominal rutile structure. It can be thought of as infinite columns of edge sharing TiO6 octahedra. In addition, each edge-shared oxygen is corner-shared ...
but rather as oxides like titanium dioxide (TiO 2), and as such is widely distributed around the world. Rutilated quartz from Minas Gerais, Brazil. The needle-like crystals are the rutile.