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  1. Kryptonite - Wikipedia

    Kryptonite is a fictional material that appears primarily in Superman stories published by DC Comics. In its best-known form, it is a green, crystalline material originating from Superman's …

  2. Kryptonite | DC Database | Fandom

    Kryptonite is the name given to shards of matter that were cast off from the planet Krypton after its destruction.

  3. Different Types of Kryptonite Explained - Live to Plant

    Jul 18, 2025 · Kryptonite is a fictional mineral from Superman’s home planet, Krypton. When Krypton exploded, radioactive fragments of the planet were scattered across space. These …

  4. What Is Kryptonite? The Iconic Superman Weakness

    Oct 23, 2025 · What exactly is Kryptonite? Guys, if you're a fan of Superman, you know this green, glowing rock is his ultimate achilles' heel. It's the stuff of legends, the bane of the Man …

  5. Superman: The Many Types Of Kryptonite & What They Do - CBR

    Aug 11, 2025 · Kryptonite is an irradiated piece of crystal from his homeworld of Krypton, which causes physiological changes to any Kryptonian in close proximity. Like the multiple versions …

  6. KRYPTONITE Definition & Meaning - Merriam-Webster

    The meaning of KRYPTONITE is a substance that causes the comic-book character Superman to become weak when he is exposed to it—often used to describe something likened to …

  7. Superman's Kryptonite Colors Explained (And Some of Them Are …

    Mar 10, 2025 · While most Superman fans know Kryptonite as the glowing green rock that weakens the Man of Steel, DC Comics has introduced a remarkable rainbow of variants …

  8. All the Kryptonite types and their effects on Superman explained

    Oct 9, 2023 · Kryptonite is a radioactive ore from Superman's home world, Krypton. Kryptonite usually only affects Kryptonians, and it's one of the only things in DC that can weaken …

  9. Crushed by Color: A Kryptonite Catalogue - DC

    May 29, 2025 · People would first get to know Kryptonite through the popular Adventures of Superman radio serial, in the 1943 episode, “The Meteor from Krypton.” Six years later, …

  10. Kryptonite - Simple English Wikipedia, the free encyclopedia

    Kryptonite is a fictional element in the DC Comics universe, and one of the few items that can harm Superman, his cousin Supergirl, and his dog Krypto. It is depicted as a radioactive …