Platinum

Platinum is a chemical element - a transition metal - symbol Pt and atomic number 78. It is hard, malleable, ductile and whitish grey in colour.

It is a corrosion-resistant metal (used in fuel cells),and occurs in some copper and nickel ores, and natively as deposits.

Platinum was discovered in South America in 1735 by Ulloa. The metal was used by Pre-Columbian Indians.