AlTeO4 is Hydrophilite-derived structured and crystallizes in the orthorhombic Pbcn space group. Al(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form AlO6 octahedra that share corners with six equivalent Te(1)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, and edges with two equivalent Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-56°. Te(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form TeO6 octahedra that share corners with four equivalent Te(1)O6 octahedra, corners with six equivalent Al(1)O6 octahedra, and  an edgeedge with one Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-56°. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Al(1) and two equivalent Te(1) atoms. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to two equivalent Al(1) and one Te(1) atom.
AlTeO4 is Hydrophilite-derived structured and crystallizes in the orthorhombic Pbcn space group. Al(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form AlO6 octahedra that share corners with six equivalent Te(1)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, and edges with two equivalent Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-56°. Both Al(1)-O(1) bond lengths are 1.93 Å. There are two shorter (1.90 Å) and two longer (1.91 Å) Al(1)-O(2) bond lengths. Te(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form TeO6 octahedra that share corners with four equivalent Te(1)O6 octahedra, corners with six equivalent Al(1)O6 octahedra, and  an edgeedge with one Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-56°. Both Te(1)-O(2) bond lengths are 2.03 Å. There are two shorter (2.11 Å) and two longer (2.13 Å) Te(1)-O(1) bond lengths. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Al(1) and two equivalent Te(1) atoms. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to two equivalent Al(1) and one Te(1) atom.