Essentia Crystallization is a research option under the Alchemy tab available after researching Advanced Essentia Tubes. After researching it, one can create the Essentia Crystallizer, a machine that allows one to turn Essentia into Crystallized Essence, which are item forms of Essentia that can be stacked in stacks of up to 64 and can be smelting back into Essentia, used for Alchemy, or used as a way to free up Jars for other Essentia or to pack them into a more compact space, although this is inefficient, as Jars can hold up to 64 Essentia and stack in up to stacks of 64 so long as each Jar is holding the same type and amount of Essentia. The Essentia Crystallizer can be created at an Arcane Workbench with an Alchemical Construct in the center, with 2 Primal Shards to the right and left of it, 2 iron ingots in the top right and left corners, a Brass Gear in the top middle, 2 wooden planks of any kind in the bottom right and left corners, and an Essentia Tube in the bottom middle, along with 250 Terra Vis, and 100 Aqua and Ordo Vis.

The crafting recipe for the Essentia Crystallizer, as shown in the Thaumonomicon. Please note and excuse the use of a texture pack.

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