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The furnace is a special block currently only available in the indev version of Minecraft. Before the furnace appeared, smelting was accomplished by creating a fire and dropping the ores into it. Now the furnace has its own smelting menu where several smelting operations can be done. It consists of one field for the object that will be smelted, one field for the output object and one field for a fuel. The fuel can be either trunk, plank, stick or coal. Each operation takes 10 seconds

The different fuels have different burning times:

  • Coal burns for 1 minute and 20 seconds

One Coal will do 8 bars

  • Logs and Planks burn for 15 seconds

One log will do 1.5 bars

  • Sticks burn for 5 seconds

It takes two sticks to make one bar

The smelting menu
The furnace will take time to smelt objects, but it will also work when the smelting menu is closed, as long as there are still objects to smelt and there's enough fuel. If all objects are smelted, the furnace will stop using fuel. When the fuel runs out, the heat in the furnace, indicated by the flame icon, will slowly decrease and when it is gone, the furnace will become inactive. If a smelting process was running, it will be aborted and has to be started again from the beginning


The following smelting operations are known:

Smelting Operations
Input -----> Output
File:Ironoreitm.png Iron Ore Flame Iron File:Ironitm.png
File:Goldoreitm.png Gold Ore Flame Gold File:Golditm.png
File:Sanditm.png Sand Flame Glass File:Glassitm.png
File:Cobblestoneitm.png Cobblestone Flame Stone File:Stoneitm.png
File:Porkitm.png Pork Flame Grilled Pork File:Grilledporkitm.png



Crafting Furnace
Name Materials Output Description
Furnace File:Craftingfurnace.png File:Craftingfurnace2.png Used for smelting.


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