آهنربای طبیعی

Also known as Batumbakal, loadstone

thumb|Lodestone attracting some iron nails thumb|Lodestone in the National Gem and Mineral Collection#Hall of Geology, Gems, and Minerals|Hall of Gems of the [[Smithsonian]] thumb|Lodestone attracting small bits of iron Lodestones are naturally magnetized pieces of the mineral magnetite. They are naturally occurring magnets, which can attract iron. The property of magnetism was first discovered in antiquity through lodestones. Pieces of lodestone, suspended so they could turn, were the first magnetic compasses, and their importance to early navigation is indicated by the name lodestone, which