Cesbronite is a copper

Copper

Copper is a chemical element with the symbol Cu and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. Pure copper is soft and malleable; an exposed surface has a reddish-orange tarnish...

 tellurite

Tellurite

Tellurite is a rare oxide mineral composed of tellurium dioxide .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. Its name comes...

 mineral with the chemical formula

Chemical formula

A chemical formula or molecular formula is a way of expressing information about the atoms that constitute a particular chemical compound....

 Cu₅(TeO₃ )₂(OH)₆·2(H₂O). It is colored green. Its crystals are orthorhombic dipyramidal. It has brittle fracture. Cesbronite is rated 3 on the Mohs Scale.

It is named after Fabien Cesbron, a French mineralogist. It is found in the Bambollita ("La Oriental") mine in the Mexican state of Sonora

Sonora

Sonora officially Estado Libre y Soberano de Sonora is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided into 72 municipalities; the capital city is Hermosillo....

. It also occurs in the Tombstone District of Cochise County, Arizona

Arizona

Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...

 and the Tintic District of the East Tintic Mountains

East Tintic Mountains

The East Tintic Mountains are a range in central Utah on the east margin of the Great Basin just west of the Wasatch front about south-southeast of Salt Lake City. The community of Eureka is an old mining town near the center of the range. U.S. Route 6 Passes through the central part of the range...

, Juab County, Utah

Utah

Utah is a state in the Western United States. It was the 45th state to join the Union, on January 4, 1896. Approximately 80% of Utah's 2,763,885 people live along the Wasatch Front, centering on Salt Lake City. This leaves vast expanses of the state nearly uninhabited, making the population the...

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