he Furnace is used for Smelting, which is a fancy word for burning blocks to turn them into other items. Smelting is required for doing cool stuff like making Glass and creating refined ore to make Armor.

  • Iron Ore; smelts into Iron Ingot
  • Gold Ore;   smelts into Gold Ingot
  • Wood; smelts into Charcoal (same as Coal, different name)
  • Sand; smelts into Glass
  • Raw Food; cooks into Cooked Food
  • Cobblestone: smelts into Stone
  • Cacti: smelts into Cactus Green