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 Why Don’t All Blue Whales Have Cancer? How Undersea Cables Are Laid Why Do We Get Bored? Why Do We Need Earwax? Why Don’t We Have Nuclear Fusion Power Yet? Can We Get Older Without Aging?