Question

An example of natural magnet is

a. Iron c. lodestone

b. Steel d. Copper​

Answer 1

The lodestone is an extremely rare form of the mineral magnetite (Fe3O4) that occurs naturally as a permanent magnet. It therefore attracts metallic iron as well as fragments of ordinary 'inert' magnetite.

Answer 2

Answer:

lodestone                                                                  

A lodestone is a naturally magnetized piece of the mineral magnetite. They are naturally occurring magnets, which can attract iron. ... Lodestone is one of only a very few minerals that is found naturally magnetized.