Electrically conductive rocks - GIF

[Ralphxyz]

Some details would be nice!!

[Bony]

Iron ore perhaps. Those rocks contain sufficient iron to be magnetic. I have a spare key held under my 4WD with a magnetic & whenever I'm camping in an iron ore area the dust collects over the magnet inches deep. So much so it's a real nuisance.

[Inner]

A video to debunk the first video.

[astroscuba]

I can see an iron bar under the rock. I'm guessing there is a welder hooked up and they are just showing that there is electrical continuity through the high iron content in the rock.