Bloomery

Bloomery chimney
Material	Ceramic
Stackable	No
Drops	2-4 Fire bricks
Blocks

Bloomery base
Material	Ceramic
Stackable	No
Drops	4-8 Fire bricks
Blocks

The bloomery is a functional block that can be used in the advanced stages of the game for smelting glass and metals like iron that require temperatures that cannot be obtained using the firepit. It accepts most coal fuels, except brown coal, and boosts their temperature to be able to smelt quartz and iron ore.

Crafting

The complete bloomery consists of two blocks: the base and the chimney. The separate bloomery blocks must be assembled as a unit to use. Crafting both blocks requires a total of 12 fire bricks and is carried out in the player's crafting grid:

Once these two blocks are crafted, place the base on a solid surface, then place the chimney on the top of the base to complete the bloomery. A complete bloomery is shown at right.

Usage

Smelting items in a bloomery requires high temperature fuel and the desired item to process. A bloomery holds enough ore nuggets to make a maximum of 6 iron blooms or metal ingots (copper, gold), from 120 nuggets, or 12 glass blocks, from 24 quartz, and 20 fuel items. The bloomery does not have to be completely filled to fire it, but both the ores to be smelted and the fuel to complete the smelting process must be added to start the process. The bloomery does not have a GUI. A player may read the description of the items currently in the bloomery by aiming the white crosshairs at the base block. The interface window should display any currently loaded contents when the block info GUI is enabled (press 'B', by default).

1. Loading the bloomery: Aim at the bloomery base and

place the item, e.g. quartz, into the base. Be sure to add fuel as well, but only after the ores or quartz. 'Sneaking' while loading items allows players to place multiple items (5) into the bloomery base.

1. Firing the bloomery: To ignite the bloomery and begin smelting,

use a torch/fire starter on the base. After a few seconds smoke particles should begin to rise from the chimney, and the hole in the base block will glow and spark.

1. Harvesting the bloomery: After 10 hours the smelting process is completed, break the bloomery blocks to gather the product. Breaking the bloomery does not require a tool and will drop some fire bricks used in crafting another bloomery.

Note: You will recover 6–12 bricks when breaking the bloomery, on average about 9. Expect to spend 3 bricks per bloomery run for large-scale operations.

Protip: While the bloomery holds 20 fuel items, not all are needed to fuel the maximum amount for iron blooms, metal ingots or glass. Since Version 1.12.10 however, the bloomery will automatically keep you from inputting more fuel items then are actually needed. This way, inputting as much fuel as the bloomery will take ensures a successful smelting process while not wasting any fuel. The bloomery accepts charcoal, bituminous (black) coal and anthracite - or generally any fuel that burns with at least 1200°C, for at least 30 seconds.

Game Versions

In game versions prior to 1.12, the bloomery produced iron ingots.
In game version 1.12, the bloomery produces iron blooms, which must be heated and worked on an anvil with a hammer or helvehammer to produce iron ingots.

Tutorial Video: Using the Bloomery (prior to 1.12)

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