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Kryptonite

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Green kryptonite, which is commonly found in Smallville.

Kryptonite is a radioactive mineral that made up most of the planet Krypton's structure, including its core.[1] Large amounts of the substance landed on Earth in October 1989 during a spetacular yet destructive meteor shower which struck Smallville and concealed the arrival of the baby Kal-El and his cousin Kara Zor-El.

Since the 1989 meteor shower, kryptonite is found in the soil of the town in abundance and are known to the residents as "meteor rock." Clark Kent termed the rocks "kryptonite" after learning of his heritage;[2] since then, that name has been used by those who know his secret.

Appearance

Natural varieties of kryptonite appear in a crystalline form of varying sizes, ranging from dust to large chunks in the case of green, red and even blue kryptonite. Both the natural and synthetic variants glow a bright color in the presence of Kryptonians or Kryptonian organisms.

Powers and Abilities

Kryptonite is most commonly found in a dark green form, but exists in several varieties designated by color. Each type affects Kryptonians differently, though green, red, blue and gemstone kryptonite can have dramatic effects on humans as well.

Natural Kryptonite

There are four forms of kryptonite that appear to occur naturally:

Synthetic Kryptonite

There are four additional forms of kryptonite that appear to be processed or synthetic:

Weaknesses

Greenk

Green kryptonite in a lead box.

The effects of kryptonite on Kryptonians can be shielded or blocked with lead.[3] Also, some Kryptonian technology can neutralize the effects of kryptonite. LuthorCorp was able to develop a technology that could absorb kryptonite radiation.

Name

Kryptonite was named by Clark after he first learned he was Kryptonian from the now-destroyed planet Krypton. Kryptonite is a name mixed with "Krypton" and "meteorite."

In the Comics

20070424-kryptonite

Kryptonite types in the comics.

Kryptonite is usually shown as having been created from the remains of Superman's native planet of Krypton, and generally has detrimental effects on Superman and other Kryptonians. The name "kryptonite" covers a variety of forms of the substance, but usually refers to the most common "green" form. Kryptonite is one of the few things that can kill Superman.

Despite the matching name, it was never suggested that the element krypton had any significance to the name of the planet Krypton. Under standard chemical naming procedures, the -ite suffix of kryptonite would denote an oxyanion of the element krypton. However, krypton is a noble gas that forms compounds only with great difficulty, and such an oxyanion is not known.

203715-188412-kryptonite super

Green kryptonite in the comics.

Green kryptonite is the most common form of kryptonite. It exists primarily as a metallic ore, but can also be found in crystalline forms. The most debilitating aspect of green kryptonite does not stem so much from the unrefined ore itself, but rather from the waves of radiation that it generates. Exposure to green kryptonite radiation will greatly weaken a Kryptonian, robbing them of their powers. Prolonged exposure to green kryptonite proves fatal. Over time, a Kryptonian may develop a slight immunity to the effects of green kryptonite, but ultimately, green kryptonite radiation will poison the body's cell structure, resulting in death.

Green kryptonite is also deadly to normal humans, but its effects take longer to fully develop. Lex Luthor once fashioned a small piece of kryptonite into a gemstone, which he fitted into a ring. After wearing the ring for several months, the radiation produced cancerous growths in his hand, and he was forced to amputate the diseased limb.

Kara Kent AKA Supergirl was locked in a kryptonite-irradiated ship for 30 years before she started suffering any ill effects from the exposure. Kryptonite is much more deadly to Kryptonian than it is to humans.

In the New 52 universe, kryptonite originates from Clark Kent's rocket engine core from his rocketship. The core is made entirely of unshielded and unrefined Kryptonite that can kill or change Superman in some way (an unlimited power source which is lethal to almost everyone), and this man knows that with it he can derive all of the radioactive isotopes, including Red-K, Silver-K, Black-K and Blue-K (which is the most terrible of all).

Quotes

Martha: If the green meteor rocks affect Clark physically, maybe the red affects him...emotionally.
Season Two, Red

Clark: Mom, you don't think I really meant those things I said about you and Chloe?
Martha: I think there was a grain of truth in all of it. Every time you've been affected by red kryptonite, it hasn't changed who you are. It's just stripped away your inhibitions. I think you need to start being more honest about how you feel.
Season Six, Crimson

Kara: I would do it myself, but those green rocks, they keep weakening me.
Clark: And trust me, you want to stay away from them. If you are around them too long, they can kill you.
Kara: Kill me? Zor-El told me that the yellow sun would give me abilities beyond my wildest dreams but he definitely never mentioned any fatal weaknesses.
Clark: That's because he didn't know. The green rocks, they are called kryptonite--radioactive pieces of our homeworld.
Season Seven, Kara

Future Lois: Wait a minute. Oh, no. Kryptonite again?
Clark: Look, I...
Future Lois: (looks into Clark's eyes) Blue? Red? Not green? Please tell me it's not the black. Because that was a disaster.
Season Ten, Homecoming

Clark Luthor: (to Tess) It still bothers you, doesn't it? There's no take-backs when it comes to Gold K. Lex sure knew how to leave an impression, didn't he?
Season Ten, Luthor

Emil: So, I pulled the geological surveys you gave me and Clark's info from the alt-world was right.
Tess: About?
Emil: Well, the surprise at the end of the kryptonite rainbow, the gold stuff exists.
Tess: What does it do to him?
Emil: Well, drawing on the Veritas journals, Chloe's database and my best calculations, it could take away his powers. For good.
Season Ten, Kent
Zod:Funny isn't it the only thing that can hurt us on their planet is a piece of ours.(While holding a green kryptonite sword.)
Season Nine, Upgrade

See also

References

  1. Kara
  2. Visitor
  3. Clark learns this in Metamorphosis and keeps a lead box with a piece of kryptonite in it for emergencies. This formula also works with blue kryptonite.
Kryptonite in Smallville
Types Natural: GreenRedBlueGold kryptonite • Processed: BlackSilverGemstoneClear kryptonite
Effects Meteor infectionPsychosisMeteor freaks
Objects BulletCageHandcuffsHeartKeyRingNecklaceVictory ring
Other KryptonMeteor showers (1989, 2005) • Lead (box) • Appearances of Green K (usages)

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