Metal smelting is a process of extracting metal from its ore which is mixed with heat generating or purifying substances such as coke or limestone. Smelted or pure gold finds its application in various fields such as medical, dental, electronics and industrial application. While purchasing gold ore, investors are buying the insignificant material that sticks to pure gold. If buying gold as an asset, it is a better to purchase smelted gold. Along with melting gold into bar, smelter removes the impurities from gold using heat, pressure and certain chemicals. Hence, private and institutional investors who invest in gold coins, scrap gold and gold dust prefer gold smelting.