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Green Kryptonite
Red Kryptonite
Red Kryptonite was once Green Kryptonite that passed through a mysterious red-hued cloud en route to Earth. Red Kryptonite inflicts random effects on Kryptonians, typically creating an initial "tingling effect" in those affected. No two chunks of Red Kryptonite have the same effect. Red Kryptonite effects typically last for 24-48 hours (though sometimes as long as 72), after which the Kryptonian in question is always immune to that specific chunk of Red Kryptonite. Superman has suffered the following effects upon exposure to various pieces of Red Kryptonite:
The Red Kryptonite that Batman created is similar to the Red Kryptonite in the Lois & Clark: The New Adventures of Superman television series, in which Red Kryptonite causes Superman's powers to become uncontrollable.
Gold Kryptonite
First Appearance:Superman #167In Pre-Crisis continuity, Gold Kryptonite is one of the more rare variations of Kryptonite found in the DC Universe, and typically exists in the form of a meteor floating through space. Gold Kryptonite has an effective range of two feet, and permanently removes a Kryptonian's super-powers.
In many cases, a Kryptonian who has lost their superpowers to Gold Kryptonite may pass similar hereditary traits to their offspring. As such, their children will not develop superhuman abilities under a yellow sun, as they would have if their parents still maintained their powers. This characteristic is not a constant however, and it has been theorized some victims of Gold Kryptonite may be able to sire offspring born with natural Kryptonian abilities. In some situations, the effects of Gold Kryptonite can also rob a victim of his memory, as was the case with the
criminal,
.
A temporary antidote was once developed that negated the effects of Gold Kryptonite for a short period of time. Superman once encountered gold kryptonite when he had to race against the
across the endless reaches of the Universe.
Gold Kryptonite also played key roles in several non-canon stories, including the
tale Superman: Whatever Happened to the Man of Tomorrow?
, and later in the Superman & Batman: Generations stories.
White Kryptonite
Yellow Kryptonite
Yellow Kryptonite was part of a hoax masterminded by Lex Luthor.
Black Kryptonite
During certain circumstances, perhaps only at the time of creation, black kryptonite can also affect humans, causing them to split into two different beings, one manifesting a good and pure personality, and the other an evil personality. The only case of it ever affecting humans occurred in the episode Onyx, when an experiment with green kryptonite went awry and caused Lex Luthor to split in two.
Silver Kryptonite
Blue Kryptonite
In Pre-Crisis continuity, Superman once used a Bizarro Duplicator Ray on a piece of Green Kryptonite, transforming it into Blue Kryptonite. He then used the altered Blue Kryptonite to halt an army of advancing Bizarros. Blue Kryptonite only affects Bizarros and is harmless to humans and Kryptonians.
Pink Kryptonite
In Supergirl (vol. 4) #79, when Linda Danvers takes the original Kara Zor-El's place and arrives in the Pre-Crisis era, there is a comical scene where Superman is apparently exposed to Pink Kryptonite, with the implication that it temporarily turned him gay.
Purple Kryptonite
In an early appearance of kryptonite (Adventure Comics #171, 1950), the kryptonite that appeared was purple, but it acted like green. Some speculate that purple may have been an incredibly rare version of kryptonite that disappeared, but the chances of this are unlikely and it is most likely because of the writer's indecision over color, or a coloring error.
Kryptonite-X or Kryptisium
Professor Hamilton coined this term to refer to the change that occurred to the Kryptonite that the Cyborg Superman blasted the Eradicator with when it passed through the latter and struck Superman. Instead of being lethal, it restored Superman's powers. Unfortunately, it also apparently clung to him and caused him to absorb solar energy at a rapidly accelerated rate, eventually causing his powers to go out of control and his body to build more mass. Superman was purged of it after battling the Parasite. Not to be confused with X-Kryptonite.
Slow Kryptonite
Slow Kryptonite is a variety of kryptonite produced by Metallo that affects humans. Why it is called "Slow Kryptonite" is because the rays sent out by normal Kryptonite are "fast" (high in frequency) and synced with the accelerated Kryptonian body. Slow Kryptonite, which releases "slow" rays, is synced with a slow human body, allowing it to affect it.
Kryptonite Plus
Kryptonite Plus was a batch of 30 or so multi-colored stones that were left behind by aliens, who said that they were "Kryptonite Plus" or Ultra-Kryptonite. They were actually Tikron stones.
Magno-Kryptonite
Magno-Kryptonite is a variation of kryptonite that tracks objects from Krypton. It apparently affects people from Krypton as well, and not even the strength of Superman or Bizarro can escape.
Jewel Kryptonite
Jewel Kryptonite possesses the ability to amplify the psychic powers of people in the Phantom Zone.
Anti-Kryptonite
Pre-Crisis: Anti-Kryptonite does nothing to harm super-powered Kryptonians, but has the same effects of normal green k on non-super-powered Kryptonians.Post-Crisis, this is the formal name of the kryptonite source of the first antimatter universe that the reformated Clark Kent of the Crime Syndicate of AmeriKa is powered by. This is very different from the second Antimatter Ultraman and long dead Earth-Three Ultraman who are both powered by the same Kryptonite that harms Superman.Anti-Kryptonite from the first antimatter universe of Crime Syndicate of AmeriKa has no effect on matter based Kryptonians.
Bizarro Red Kryptonite
This variety affects humans the same way red kryptonite affects kryptonians.
X-Kryptonite
First Appearance:Action Comics #261X-Kryptonite (in Pre-Crisis only) is a synthetic kryptonite that granted Streaky superpowers.
Blood Kryptonite
In 52, the Cult of Conner - a religious sect dedicated to resurrecting Superboy, employed "Blood Kryptonite" in a preliminary ritual to resurrect Sue Dibny. While physically resembling Green Kryptonite, the "Blood" variant drains a portion of life force from present attendees, intended to direct this energy towards an effigy of the deceased as part of a Kryptonian resurrection ceremony. It is later revealed that this was a manipulation of Felix Faust and the rock was either regular green Kryptonite or not Kryptonite at all.
Purple Spotted Kryptonite
A fake kryptonite in the Krypto the Superdog cartoon, this variety made Krypto chase his tail.
Fake Kryptonite
Seen in an episode of Superboy 1988 TV series, Superboy's friends are selling crystals which are labeled as "fake Kryptonite" to raise money for charity. These crystals are clearly false and the vendors make no dispute about it. However, they use humorous references such as "Buy one and have nothing to fear; even Superboy will run away from you!"
Red/Green Kryptonite
A synthetic kryptonite created by Brainiac that mutated Superman, this variety made him grow a third eye on the back of his head. Superman tricked Brainiac with his mutation, however, as he waited for his return (he went into space to monitor the change) and allowed everyone on Earth to believe the k made him go mad, as he would never appear without a hat, and he would act out a hat's properties to solve crime. He also used this to cover his eye. Brainiac attacked Superman with a dunce cap, but Superman used the force of all three eyes to use his heat vision to dissolve Brainiac's force field. He then took Brainiac into custody. It appears the green k in red/green kryptonite does nothing, although the mutation did last longer than 24 hours, perhaps indicating the green k amplified the effects.
Synthetic Kryptonite
A synthetic version of Green Kryptonite was developed by Gus Gorman in the movie Superman III where he substituted the "unknown element" in Kryptonite with tar. The result of the exposure to the synthetic Kryptonite was that it caused Superman's moral behaviors to change to the point of being evil and destructive, both to himself and to others. It also eventually caused Superman to split into two separate selves, the evil self and the heroic self, battling for dominance until his heroic self prevailed, restoring his normal moral behaviors.
Krypton Steel
Appearing only in the Challenge of the Super Friends episode "Super Friends, Rest in Peace", Krypton Steel was described by Lex Luthor as a "harmless form of Kryptonite" that only Superman could break. It is, presumably, a refined metal with similar properties to the iron alloy steel. Superman forged a box made of this material to store a weapon they confiscated from the Legion of Doom at some point. The Legion figured out how to trick Superman into opening the box for them.
Opal Kryptonite
Opal Kryptonite is a synthesized version of Kryptonite that was created by Terrence Sloan on Earth 2, which can apparently drive Kryptonians temporarily insane. Opal Kryptonite can only work for a short time however, and will eventually burnout and turn into an ordinary stone after a certain amount of time.
Krimson Kryptonite
In Post-Crisis continuity, Krimson Kyptonite appeared as an artificial construct of Mister Mxyzptlk that eliminated Superman's powers. The effect of this kryptonite could be everlasting until Luthor confessed Clark Kent that the fifth dimension's elf gave him the rock, without knowing Superman's alter ego. Unlike other kryptonites, that one was not radioactive.
