Tellurite is a chemical compound that contains the element tellurium, typically found in the form of tellurite salts. These salts are often used in various applications, including as a growth medium for certain bacteria in microbiology. Tellurite can also be used in the production of glass and ceramics due to its unique properties. In its mineral form, tellurite can be found in nature as a rare mineral called tellurite mineral. It is usually a yellowish or brownish color and can be identified by its crystalline structure. Tellurite is of interest in both geology and materials science for its distinctive characteristics and potential uses.