Platinum is a chemical element with the symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish platina, a diminutive of plata "silver". Pure platinum is currently less expensive than pure gold, having been so continuously since 2015, but has been twice as expensive or more. In early 2021, the value of platinum ranged from US$1,055 to US$1,320 per troy ounce.