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 These Squishy Batteries Are Made Out of Water, Here’s How They Work Is It Possible To Stay Young Forever? How We Turn Solar Energy Into Electricity What Is Beyond The Universe? Why China’s One-Child Policy Failed Do Placebos Work For Animals?