As a subject matter expert in geology and mineralogy, I can tell you that kryptonite is a fictional material from the DC Comics universe, primarily associated with the character Superman. It is depicted as a mineral from Superman's home planet, Krypton, that has been exposed to the radiation of Krypton's red sun, Qwar. When Superman, who has powers due to Earth's yellow sun, is exposed to kryptonite, he becomes weakened or loses his powers.

In the real world, there is no such mineral as kryptonite. It is a product of comic book fiction and does not exist in any geological or scientific context. Therefore, you cannot find kryptonite on Earth or anywhere else in the universe as it is not a naturally occurring substance.

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Scientists discover kryptonite on Earth. Kryptonite is no longer the stuff of comic books and Superman movies - it really exists. A newly discovered mineral has been found to contain exactly the same elements as the large green crystals that rob the super-hero of his powers.read more >>