Tellurite is a rare oxide mineral composed of tellurium dioxide (TeO2).

It occurs as prismatic to acicular transparent yellow to white orthorhombic crystals.

It occurs in the oxidation zone of mineral deposits in association with native tellurium, emmonsite and other tellurium minerals.

[3][4] It was first described in 1842 because of an occurrence in Faţa Băii, Zlatna, Alba County, Romania.

This article about a specific oxide mineral is a stub.