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 Can The Earth Run Out Of Oxygen? The Surprising Places We Waste Energy What If Earth Were to Spin 20x Faster How Do We Keep Our Bacteria From Contaminating the Galaxy? Genetic Engineering Will Change Everything Forever Are there universal expressions of emotion?