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Clear kryptonite

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Clear kryptonite.

Clear kryptonite is green kryptonite that has been neutralized, and is harmless to Kryptonians.

Powers and Abilities

Having been drained or neutralized of all radiation it exhibits no powers or abilities, however it can almost definitely penetrate a Kryptonian's invincible flesh because it's from Krypton.


Clear kryptonite seems to behave as and be vulnerable to the same stresses as any earth rock or crystal of similar hardness are.

Season Two

Clear kryptonite first appeared when Lana's necklace got too close to Kal-El's ship, and the ship turned the kryptonite from a green to a transparent glass-like form.

Season Three

Jordan Cross had a vision of Lana wearing the clear kryptonite necklace again on her deathbed. (Hereafter)

Season Six

Lana found the neutralized necklace in a cigar box in Clark's dresser drawer, but left it there. (Trespass)

Season Seven


Bizarro gains strength after being weakened by Clark.

Bizarro drained the green kryptonite at Reeves Dam of its radiation, turning it clear.

Season Eight

It was revealed that Clark still has possession of the necklace. (Instinct)

Clark later returned the necklace to Lana. She took it with her when she and Clark parted ways after she becomes irradiated with green kryptonite. (Requiem)


Please add quotes here.


  • It's unclear if clear kryptonite is a naturally occurring element on Krypton, or only exists when green kryptonite is drained of its color and radiation.
  • It also looks similar to Kryptonian crystals, so they are probably made of this material, and if they are, then they could be used to potentially kill a Kryptonian, as shown when Zor-El tries to kill Kara with them.


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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