1) Ancient Greek technology 2) Female supervillain 3) Greek invention 4) Iron attractor 5) Iron-attracting magnetite 6) Loadstone 7) Magnetic mineral 8) Magnetite piece 9) Natural magnet 10) Oxide mineral 11) Permanent magnet 12) PIece of magnetite 13) Static magnet 1) Loadstone 2) Magnet 
A lodestone, or loadstone, is a naturally magnetized piece of the mineral magnetite. They are naturally-occurring magnets, which can attract iron. Ancient people first discovered the property of magnetism through lodestones. Pieces of lodestone, suspended so they could turn, were the first magnetic compasses, and their importance to early navigati...
• (n.) A piece of magnetic iron ore possessing polarity like a magnetic needle. See Magnetite. • (n.) Same as Loadstone.
Lode'stone` noun (Min.) Same as Loadstone . 
Magnetite
[n] - a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically
loadstone noun a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically
a variety of magnetite that possesses magnetic polarity and attracts iron. · a piece of this serving as a magnet. · something that attracts strongly.