Discovered in 1791, titanium occurs in various ores as titanium(IV) oxide, TiO2 and also in combination with iron and oxygen. The two commercially important mineral forms of titanium are:

In some parts of Australia, beach sands are rich in rutile, while the mineral in beach sands in India is essentially ilmenite. In Canada, an ore containing mainly ilmenite and hematite (Fe2O3) is mined in the Lac Tio area of Quebec.

Titanium has a low density. It is heavier than aluminum but not quite as heavy as iron. Under normal environmental conditions, it does not tarnish. Its outstanding property is its lightness, which, combined with sufficient strength, makes it of unique value in the military and aerospace industries.

Commercial applications of titanium include its use:

BCIT Chemistry Resource Center
http://nobel.scas.bcit.ca/resource/