Osmium – The Rarest Naturally Occurring Element Osmium a very beautiful element that is in the Platinum group. It is the rarest naturally occurring element on earth. VSauce – What is the rarest precious metal? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts This Massive Asteroid Is Headed for Earth…. What Now? How Does Google Maps Work? Nikola Tesla Harnessed the Power of Niagara Falls The environmental cost of free two-day shipping Inside the World of Drone Racing What Are These “Space Snails” on Pluto?