Question #28762

Hello.I want to ask is it possible for a stone to have some magnetic power different from power that we see in ordinary metal magnets.something like earth gravity that attract everything.Some one told me that he saw a stone that attract other smaller stone but did not attract metals.
Is it practical possible in science?

Expert's answer

Question: Hello. I want to ask is it possible for a stone to have some magnetic power different from power that we see in ordinary metal magnets. Something like earth gravity that attract everything. Some one told me that he saw a stone that attract other smaller stone but did not attract metals. Is it practical possible in science?

Answer: A magnet is any object that has a magnetic field. It attracts ferrous objects like pieces of iron, steel, nickel and cobalt. The overall magnetic behavior of a material can vary widely, depending on the structure of the material, particularly on its electron configuration. Several forms of magnetic behavior have been observed in different materials, including:

- Ferromagnetic and ferrimagnetic materials are the ones normally thought of as magnetic; they are attracted to a magnet strongly enough that the attraction can be felt. Ferrimagnetic materials, which include ferrites and the oldest magnetic materials magnetite and lodestone, are similar to but weaker than ferromagnetics.

- Paramagnetic substances, such as platinum, aluminum, and oxygen, are weakly attracted to either pole of a magnet. This attraction is hundreds of thousands of times weaker than that of ferromagnetic materials, so it can only be detected by using sensitive instruments or using extremely strong magnets.

- Diamagnetic means repelled by both poles. Compared to paramagnetic and ferromagnetic substances, diamagnetic substances, such as carbon, copper, water, and plastic, are even more weakly repelled by a magnet. All substances not possessing one of the other types of magnetism are diamagnetic; this includes most substances.

There are various other types of magnetism, such as spin glass, superparamagnetism, superdiamagnetism, and metamagnetism.

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