Quicksilver is a material from Thaumcraft 3. Quicksilver is obtained by smelting Cinnabar Ore or by breaking Shimmerleaf . Its primary value is its unusual Aspects, which can be used for research in the Research Table. It is crucial in the crafting of Magic Mirrors.

Quicksilver can also be used to craft Mercury Cells and as fuel for the Magic Energy Converter producing 8000EU at 24EU/t.