How Common Is Rhodium

Rhodium is the rarest of the platinum group, only occurring up to one part per 200 million in the Earth’s crust, according to Chemistry Libretexts. Rhodium has lower density and a higher melting point than platinum.

Is rhodium rare or common?

Rhodium is the rarest of all non-radioactive metals. It occurs uncombined in nature, along with other platinum metals, in river sands in North and South America. It is also found in the copper-nickel sulfide ores of Ontario, Canada.

Is rhodium scarce?

Rhodium is an extremely rare precious metal. … It is considered the rarest and most valuable precious metal in the world — far more so than gold or platinum.