Tellurogermanates or telluridogermanates are compounds with anions with tellurium bound to germanium. They are analogous with germanates, thiogermanates and selenidogermanates.
Most tellurogermanates are coloured black. They are semiconductors with a small band gap.
Ge<sub>4</sub>Te<sub>10</sub><sup>4âÂÂ</sup> forms an adamantane structure.