Encyclopedia
Tellurium
Hard (specific gravity 6.2) substance in amorphous or crystalline form. It is a relatively good conductor of heat and electricity and possesses some metallic properties. It is used in certain alloys (e.g., tellurium-lead alloys), as well as a vulcanizing agent
Source: "Explanations to the Commodity Nomenclature of Foreign Economic Activity of the Russian Federation (HSN Russia)" (prepared by the Federal Customs Service of Russia) (volume 1, sections I - VI, groups 1 - 29)