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 What The Future of Transportation Looks Like Whether You Like It or Not You Are a Mammal Adapted for Water A Nuclear Waste Dump You Can Walk On: Weldon Spring, Missouri Cherenkov Radiation : Particles Faster Than the Speed of Light? Immortality Through Quantum Suicide U.S./Mexico Border Wall Puts Animals In Danger Of Extinction