Tellurite

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 association with gold, tellurium, calaverite, sylvanite, pyrite, quartz, and fluorite.

Occurrence

Tellurite is a rare mineral that occurs in oxidized hydrothermal vein deposits. It was first discovered in 1782 in the type locality of Sacarîmb (Nagyág), Deva, Hunedoara County, Romania. It has since been found in various locations around the world, including the United States, Canada, Mexico, Germany, and Kazakhstan.

Properties

Tellurite crystals are orthorhombic and can be prismatic or acicular. They are transparent and can range in color from yellow to white. The mineral has a hardness of 2.5 on the Mohs scale, and it has a specific gravity of 5.9 to 6.0. It is soluble in sulfuric acid and slightly soluble in hydrochloric acid.

Uses

Tellurite is used in the production of tellurium. It is also used in the manufacture of glass and ceramic materials, and in the preparation of catalysts used in petrochemical processing.

See also

• List of minerals
• Tellurium

References

Tellurite Resources
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