Tellurium is a chemical element with symbol Te and atomic number 52. It is a brittle, mildly toxic, rare, silver-white metalloid. Tellurium is chemically related to selenium and sulfur. It is occasionally found in native form as elemental crystals.

Atomic Weight:  23235
Density:        45.67 g/cm3
Melting Point:  57757 °C
 Boiling Point: 435 °C