Black Coal

Black coal has the same uses as coal - it is used as fuel for the kiln, alloying crucible, ore smelter and finery forge, and is an ingredient in the steelmaking process.
Black coal acts as two branches worth of fuel when using kilns, ovens, cauldrons, and any other wood-fueled objects. It acts as 1 tick of fuel when using smelters and crucibles.
==How to Acquire==
Black coal can be mined in a cave/mine, or chipped from boulders.
Black coal node in a cave.