Sulfur

Sulfur is dropped by its ore that can be found in Middle Earth, similar to saltpeter. When combined with saltpeter and charcoal (can't be coal) in a crafting table, it creates 2 gunpowder, being the only way to obtain gunpowder within Middle Earth. Gunpowder is needed to craft Orc Bombs. Sulfur can also be used to make Sulfur Matches.

Sulfur Matches
Sulfur matches are used to light fire, like flint and steel. They are made of sulfur and a stick.The match is used up in this process.