Games/Minetest Game/Smelting

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Smelting—also called Cooking—is the act of producing refined goods in Minetest Game with a specal block (like a furnace or similar).

Smelting basics

In Minetest Game, smelting is considered to be a form of crafting.

For smelting or cooking, you need:

  • Any fuel item
  • An item which can be smelted/cooked
  • Some mechanism to start smelting (like a furnace)

Fuels are always required in order to produce a flame. Coal and wooden items are commonly used as fuels. Any fuel can be used to smelt anything as long it is burning long enough. Each fuel has its own duration. Fuels are usually used up when the smelting process starts, but for some special items they might be replaced with different item.

Smeltable items are determined by smelting recipes. A smeltable item needs to be provided with the fuel's flame for a certain amount of time (the exact time depends on the item) to be smelted into a different item.

Example

Iron lumps in Minetest Game can be smelted in 3 seconds. This means, to smelt an iron lump, you need a total amount of fuel lasting for 3 seconds or more. Many items burn long enough. You could use a coal lump (which would be wasteful) or wooden planks (which is less wasteful) or pretty much any other fuel item. If a single fuel item does not burn enough, you have to stack it (but there's a short delay before the next fuel is used). Thus, you can even use 3 leaves.

Furnace

In Minetest Game, the furnace is used for all smelting operations. Refer to the Furnace page to learn how it works. This section contains the available smelting recipes and fuels in Minetest Game.

Smelting recipes

The following items can be smelted/cooked:

Input Furnace Output Smelting time
Flour.png Flour Arrow.png Furnace.png Arrow.png Bread.png Bread 15s
Cobblestone.png Cobblestone Arrow.png Furnace.png Arrow.png Stone.png Stone 3s
Mossy Cobblestone.png Mossy Cobblestone Arrow.png Furnace.png Arrow.png Stone.png Stone 3s
Desert Cobblestone.png Desert Cobblestone Arrow.png Furnace.png Arrow.png Desert stone.png Desert Stone 3s
Clay Lump.png Clay Lump Arrow.png Furnace.png Arrow.png Clay Brick.png Clay Brick 3s
Iron lump.png Iron Lump Arrow.png Furnace.png Arrow.png Steel Ingot.png Steel Ingot 3s
Steel bottle.png Empty Heavy Steel Bottle Arrow.png Furnace.png Arrow.png Steel Ingot.png Steel Ingot 3s
Copper lump.png Copper Lump Arrow.png Furnace.png Arrow.png Copper Ingot.png Copper Ingot 3s
Tin Lump.png Tin Lump Arrow.png Furnace.png Arrow.png Tin Ingot.png Tin Ingot 3s
Gold lump.png Gold Lump Arrow.png Furnace.png Arrow.png Gold ingot.png Gold Ingot 3s
Skeleton Key.png Skeleton Key Arrow.png Furnace.png Arrow.png Gold ingot.png Gold Ingot 5s
Key.png Key Arrow.png Furnace.png Arrow.png Gold ingot.png Gold Ingot 5s
Group sand.png Any sand Arrow.png Furnace.png Arrow.png Glass.png Glass 3s
Glass Fragments.png Glass Fragments Arrow.png Furnace.png Arrow.png Glass.png Glass 3s
Obsidian shard.png Obsidian Shard Arrow.png Furnace.png Arrow.png Obsidian glass.png Obsidian Glass 3s

Fuel

The following items can be used as fuel:

Item Burning time in seconds Items smelted per fuel[1] Remainder
Coal Block.png Coal Block 370 123​⅓ Nothing
Lava Bucket.png Lava Bucket 60 20 Bucket.png Empty Bucket
Lava.png Lava Source 60 20 Nothing
Coal.png Coal Lump 40 13​⅓ Nothing
Jungle Tree.png Jungle Tree 38 12​⅔ Nothing
Acacia Tree.png Acacia Tree 34 11​⅓ Nothing
Tree.png Apple Tree 30 10 Nothing
Group tree.png Any tree (fallback) 30 10 Nothing
Locked Chest.png Locked Chest 30 10 Nothing
Chest.png Chest 30 10 Nothing
Bookshelf.png Bookshelf 30 10 Nothing
Vessels Shelf.png Vessels Shelf 30 10 Nothing
Pine Tree.png Pine Tree 26 8​⅔ Nothing
Aspen Tree.png Aspen Tree 22 7​⅓ Nothing
Boat.png Boat 20 6​⅔ Nothing
Cactus.png Cactus 15 5 Nothing
Wooden Door.png Wooden Door 14 4​⅔ Nothing
Fancy Bed.png Fancy Bed 13 4​⅓ Nothing
Simple Bed.png Simple Bed 12 4 Nothing
Sign.png Wooden Sign 10 3​⅓ Nothing
Junglewood Planks.png Jungle Wood Planks 9 3 Nothing
Junglewood Fence.png Jungle Wood Fence 9 3 Nothing
Junglewood Fence Gate.png Jungle Wood Fence Gate 9 3 Nothing
Acacia Fence Gate.png Acacia Wood Fence Gate 8 2​⅔ Nothing
Acacia Fence.png Acacia Wood Fence 8 2​⅔ Nothing
Acacia Bush Stem.png Acacia Bush Stem 8 2​⅔ Nothing
Acacia Wood Planks.png Acacia Wood Planks 8 2​⅔ Nothing
Fence Gate.png Apple Wood Fence Gate 7 2​⅓ Nothing
Ladder.png Wooden Ladder 7 2​⅓ Nothing
Jungle Wood Fence Rail.png Jungle Wood Fence Rail 7 2​⅓ Nothing
File:Inner Acacia Wood Stair.png Inner Acacia Wood Stair 7 2​⅓ Nothing
Fence.png Apple Wood Fence 7 2​⅓ Nothing
Emergent Jungle Tree Sapling.png Emergent Jungle Tree Sapling 7 2​⅓ Nothing
File:Inner Jungle Wood Stair.png Inner Jungle Wood Stair 7 2​⅓ Nothing
Bush Stem.png Bush Stem 7 2​⅓ Nothing
Wooden Planks.png Apple Wood Planks 7 2​⅓ Nothing
Group wood.png Any wooden planks (fallback) 7 2​⅓ Nothing
Trapdoor.png Wooden Trapdoor 7 2​⅓ Nothing
Wooden Pickaxe.png Wooden Pickaxe 6 2 Nothing
Pine Fence Gate.png Pine Wood Fence Gate 6 2 Nothing
Acacia Wood Stair.png Acacia Wood Stair 6 2 Nothing
Acacia Sapling.png Acacia Tree Sapling 6 2 Nothing
File:Inner Wooden Stair.png Inner Wooden Stair 6 2 Nothing
Pine Bush Stem.png Pine Bush Stem 6 2 Nothing
Pine Wood Planks.png Pine Wood Planks 6 2 Nothing
Jungle Sapling.png Jungle Tree Sapling 6 2 Nothing
Junglewood Stair.png Jungle Wood Stair 6 2 Nothing
Acacia Wood Fence Rail.png Acacia Wood Fence Rail 6 2 Nothing
Pine Fence.png Pine Wood Fence 6 2 Nothing
Wooden Axe.png Wooden Axe 6 2 Nothing
Aspen Wood Planks.png Aspen Wood Planks 5 1​⅔ Nothing
Wooden Sword.png Wooden Sword 5 1​⅔ Nothing
Large Cactus Seedling.png Large Cactus Seedling 5 1​⅔ Nothing
Aspen Fence Gate.png Aspen Wood Fence Gate 5 1​⅔ Nothing
Apple Wood Fence Rail.png Apple Wood Fence Rail 5 1​⅔ Nothing
File:Inner Pine Wood Stair.png Inner Pine Wood Stair 5 1​⅔ Nothing
Wooden Stair.png Wooden Stair 5 1​⅔ Nothing
Sapling.png Apple Tree Sapling 5 1​⅔ Nothing
Pine Sapling.png Pine Tree Sapling 5 1​⅔ Nothing
Group sapling.png Any sapling (fallback) 5 1​⅔ Nothing
Aspen Fence.png Aspen Wood Fence 5 1​⅔ Nothing
Wooden Hoe.png Wooden Hoe 5 1​⅔ Nothing
Mapping Kit.png Mapping Kit 5 1​⅔ Nothing
Blueberry Bush Sapling.png Blueberry Bush Sapling 5 1​⅔ Nothing
File:Outer Jungle Wood Stair.png Outer Jungle Wood Stair 5 1​⅔ Nothing
File:Outer Acacia Wood Stair.png Outer Acacia Wood Stair 5 1​⅔ Nothing
File:Inner Aspen Wood Stair.png Inner Aspen Wood Stair 4 1​⅓ Nothing
Acacia Wood Slab.png Acacia Wood Slab 4 1​⅓ Nothing
Group leaves.png Any leaves 4 1​⅓ Nothing
Pine Wood Fence Rail.png Pine Wood Fence Rail 4 1​⅓ Nothing
Aspen Sapling.png Aspen Tree Sapling 4 1​⅓ Nothing
Acacia Bush Sapling.png Acacia Bush Sapling 4 1​⅓ Nothing
File:Outer Wooden Stair.png Outer Wooden Stair 4 1​⅓ Nothing
Jungle Wood Slab.png Jungle Wood Slab 4 1​⅓ Nothing
Wooden Shovel.png Wooden Shovel 4 1​⅓ Nothing
Torch.png Torch 4 1​⅓ Nothing
Pine Wood Stair.png Pine Wood Stair 4 1​⅓ Nothing
Jungle Grass.png Jungle Grass 3 1 Nothing
Aspen Wood Fence Rail.png Aspen Wood Fence Rail 3 1 Nothing
File:Outer Pine Wood Stair.png Outer Pine Wood Stair 3 1 Nothing
Bush Sapling.png Bush Sapling 3 1 Nothing
Wooden Slab.png Wooden Slab 3 1 Nothing
Papyrus.png Papyrus 3 1 Nothing
Straw.png Straw 3 1 Nothing
Pine Wood Slab.png Pine Wood Slab 3 1 Nothing
Aspen Wood Stair.png Aspen Wood Stair 3 1 Nothing
Book.png Book 3 1 Nothing
Book with Text.png Book With Text 3 1 Nothing
File:Outer Aspen Wood Stair.png Outer Aspen Wood Stair 3 1 Nothing
Straw Stair.png Straw Stair 2 Nothing
File:Inner Straw Stair.png Inner Straw Stair 2 Nothing
Dry Shrub.png Dry Shrub 2 Nothing
Dry Grass.png Dry Grass 2 Nothing
Marram Grass.png Marram Grass 2 Nothing
Aspen Wood Slab.png Aspen Wood Slab 2 Nothing
Pine Bush Sapling.png Pine Bush Sapling 2 Nothing
Grass.png Grass 2 Nothing
Fern.png Fern 2 Nothing
Paper.png Paper 1 Nothing
File:Outer Straw Stair.png Outer Straw Stair 1 Nothing
Straw Slab.png Straw Slab 1 Nothing
Wheat.png Wheat 1 Nothing
String.png String 1 Nothing
Cotton.png Cotton 1 Nothing
Stick.png Stick 1 Nothing
  1. Assuming a smelting time of 3 seconds