Furnace

A furnace is a block used to smelt blocks and items and convert them into other blocks or items.

Obtaining
Furnaces can be mined using any pickaxe. If mined without a pickaxe, it will drop nothing. A furnace will also drop when a minecart with furnace is broken.

Natural generation
Two furnaces can be found inside each blacksmith shop in villages, and one can be found inside each igloo.

Usage
Furnaces cannot be pushed by pistons.

Smelting


The main purpose of furnaces is to allow for smelting. Its interface can be opened by on it.

Light source
Furnaces emit a light level of 13 when active, and emit smoke and flame particles.

Block entity
A furnace has a block entity associated with it that holds additional data about the block. The block's block entity ID is.

Trivia

 * Furnaces function as multiple devices combined into one block: bloomeries and blast furnaces (for smelting ores), an oven (for baking and cooking), a charcoal pit (for the charring of wood) and a kiln (for baking of clay).
 * Slot items:
 * Input items:
 * Count is zero, the furnace begins to smelt and consume one piece of input items.
 * Count is negative, the furnace begins to smelt and consume one piece of input items.
 * Fuel items:
 * Count is zero, the furnace begins to smelt and consume one piece of fuel(0 to negative 1).
 * Count is negative, the furnace begins to smelt and consume one piece of fuel(reduce one, negative 1 to negative 2).
 * Output items:
 * Count is zero, the hopper will pull it from the output slot, but it will be gone.
 * Count is negative, the hopper can not pull it from the output slot.