In alchemy,
the metal goes through a complicated process, the final spagyric or whatever end product, usually doesnt have any actual metal
but rather the end product of the complicated process.
Antimony is used (and used to make that well known stone.)
again another thing that can kill you if consumed generally.
I have never used or tried the mercury alchemy,
But i suspect 90 percent of the most important instructions are usually left out in real world publications.
Alchemist secrets are guarded closely, shared to only the initiate who has proven capable.
Mercury Vortex in Magnetic Field | Magnet Tricks - YouTube
Mercury with a magnetic field.
You can see how the hypothetical mercury vortex engine can be made.
When liquid mercury is poured into the container, and the current has flowed through the conductors, it generates a strong magnetic field . It rotates the liquid mercury as it is a superconductor
Perhaps the process reverses and solidifies the mercury through various processes to produce a steady self sustaining high magnetic charge that is life supporting.
Who knows.