Coal

Coal is one of the main building blocks for Smithing, it is the most required ore to use for the skill, and for the creation of bars. Coal can be found and mined a long with a multitude of Ores in the Falador Mining Guild. The only material not requiring Coal, would be Iron bars, and Bronze bars. Coal amounts to create resources may vary depending on the level of the Smithing required to create the material type of the bar, and the ore being used with it.