Crucible (Thaumcraft 4)

This article is about the block from Thaumcraft 4. You may be looking for Crucible from Thaumcraft 3.


Name Crucible
Source Mod Thaumcraft 4
ID Name
Type Block
Stackable Yes (64)
Blast Resistance 51.0
Hardness 3.0
Solid Yes
Transparent Yes
Affected by Gravity No
Emits Light No
Flammable No
Required Tool Wooden Pickaxe

Crucible is a block added by the Thaumcraft 4 mod. It is required for alchemy recipes. For the information about its usage, please read Alchemy article.

Thaumcraft 4 Research Notes[edit]

Basic Alchemy
Bubble and Boil

Research aspects in this block[edit]


Thaumonomicon Entry[edit]

"To craft the Crucible, you must simply use your wand on a cauldron placed in the world.

The crucible is an important tool for any thaumaturge. It allows him to render physical objects into their component Essentia and recombine it again as he wishes.

The crucible needs to be placed over a source of constant heat and filled with water. Once the water starts boiling you simply throw any items you wish into the crucible and they will be broken down into their component Essentia.

If you know the proper formula and the mix of essentia within the crucible is correct, you can then drop a special item into the crucible known as a Catalyst. The catalyst draws the essentia into itself and transforms into a whole new item that the crucible then ejects.

Any leftover Essentia remains within the crucible for further use, but it is not a good idea to leave essentia within a crucible for too long.

Crafting also uses some of the water within the crucible and you will eventually need to refill it.

Essentia within the crucible is constantly degrading. Compound essentia degrades into one of its component aspects, and Primal essentia simply evaporates.

Beyond the waste of resources, evaporating and degrading essentia can cause many strange side-effects.

You can empty a crucible by shift right-clicking on it with a wand. All the essentia is dumped into the atmosphere... not something you would want to do too often.

There are some basic alchemical recipes that anyone can perform. See the following pages for their recipes.

Balanced Vis Shards: These are normal vis shards that have been alchemically infused with the five primal elements they do not already possess. This results in a shard of crystal that is perfectly resonating with primal energy.

Smelting a balanced vis shard in a furnace creates Salis Mundus.

Salis Mundus: Salis Mundus, or Thaumaturge's Salt as it is more commonly known, is crafted by exposing a balanced vis shard to high enough heat that it shatters into a fine powder.

Like its mundane counterpart, Thaumaturge's salt adds flavor (metaphorically speaking) to any magical recipe or formula. It is a strong binding agent, able to hold the most disparate of magical elements together."


Place down a Cauldron and right-click it with any wand.

GUI RclickCraft1.png
Iron Capped Wooden Wand
Crucible (Thaumcraft 4)



Crucible (Thaumcraft 4) can be used to create the following items: