Wahala Facts: 16 most expensive materials on earth

13. Platinum is a chemical element with the chemical symbol Pt and an
atomic number of 78.It occurs in some nickel and copper ores along
with some native deposits, mostly in South Africa, which accounts for
80% of the world production.Platinum is used in catalytic converters,
laboratory equipment, electrical contacts and electrodes, platinum
resistance thermometers , dentistry equipment, and jewelry. Platinum
is sold for $60/gram.