Every metal on earth is traversing through the solar and planetary magnetic fields at approximately the same rate as a sample of this stuff, so if it’s simply induction from those fields, we’d expect to see the same thing in every metal, varying probably based on how conductive they are.
Superconductors exclude outside magnetic fields. This is why they hover over a conductor. Some fellow ever made a Mobius strip race track and filmed a superconductor racing on it. It is on YouTube somewhere.