During this investigation Faraday observed some phenomena that led him to a belief in the existence of another form of force, distinct from either paramagnetic or diamagnetic force, which he called the magne-crystallic force.

"Sideritin ob hoc alio nomine appellant quidam Heracleon: Magnes appellatus est ab inventore (ut auctor est Nicander) in Ida repertus."Pegge.

"I'm afraid," he said sadly, "that there's something wrong with the magne-e-to!" "Do you think it is as bad as that?" "I fear so," he said gravely.