Titanium looks like steel and has a silver-gray luster.

It is a transition metal, which has been considered as a rare metal for a long time in the past.

Titanium isn't a rare metal. It makes up about 0.42% of the earth's crust by weight, 16 times more than copper, nickel, lead and zinc combined.

It ranks seventh in the world of metals, with more than 70 titanium-containing minerals.Titanium has high strength, low density, high hardness, high melting point and strong corrosion resistance.

High purity titanium has a good plasticity but becomes brittle and hard in the presence of impurities.