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Stackable 64

Saltpeter/en is a mineral that can be found underground.

Saltpeter deposits in a granite cave.


Saltpeter can be found as a coating on the surface of other rock types. It cannot be found through prospecting, and must be discovered through caving or other means. Breaking a saltpeter coating drops a chunk of saltpeter powder.


Saltpeter, along with sulfur and coal, is used to create ore blasting bombs. It can also be directly applied to farmland as fertilizer, adding 13% N and 33% K to each block per use.

Ores, metals and minerals
Guides Ore Deposits Metals
Metals Copper Iron Meteoric iron Gold Silver Lead Tin Zinc Bismuth Titanium (Ilmenite)
Alloys Bronze (Tin bronze, bismuth bronze, black bronze) • Steel Brass Solder (Lead solder, Silver solder) • Molybdochalkos
Minerals Alum Borax Cinnabar Coal Halite (Salt) Lapis lazuli Quartz Saltpeter Sulfur Sylvite (Potash)
Tools Pickaxe Hammer Prospecting Pick Forge Quern Anvil Bloomery Helve hammer Pulverizer
Other Gemstones
Related mechanics Panning Mining Casting Smithing Steel making