Furnace

A Furnace is a block that can smelt and cook certain items and blocks using any kind of fuel.

Crafting
8 Cobblestone => 1 Furnace

GUI
The Furnace GUI consists of three slots, the top slot is where the item to be smelted. The bottom slot is where the fuel goes. When both of these slots are filled with the correct items, the fire animation in the middle of these two slots will start, and the arrow animation beside it will also start. The third slot is where the smelted item appears.

Trivia

 * When the Furnace is smelting, it will give out light
 * Furnaces can be found naturally in Blacksmiths in Villages.
 * An achievement can be unlocked when the Player crafts a Furnace, it is called 'Hot Topic'.