Coinit and Commex – Gold Refining Services
This can include ore, rocks, gold nuggets, scrap gold, jewellery, and doré bars. Doré bars have a gold purity of 80% and are directly produced by miners. The refinery takes that raw material and reliquefies the metal in an extremely hot furnace, as gold's melting point is a scolding 1,065 degrees Celsius.