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Name Tellurium
Symbol Te
Atomic number 52
Atomic mass 127.6 amu
Normal state Solid
Classification Metaloid
Crystal structure Trigonal
Color Tin white, with a dull multi-colored iridescent tarnish
Date of discovery 1782
Name of discoverer Franz Joseph Muller von Reichstein [1] (Romania)
Name origin From the Latin tellus, meaning earth.
Uses Used to improve the machining quality of copper and stainless steel products products and to colour glass and ceramics. Also used in thermoelectric devices, vulcanization of rubber, percussion caps, battery plate protectors and electrical resistors.
Obtained from Obtained as a by-product of copper and lead refining.