Don't forget the other flavors of kryptonite!
RedDebuted in
Adventure Comics #252 (Sept. 1958). Originally just weakened Superman, but to a greater degree. Later caused bizarre behaviour and transformations.
Anti-KryptoniteDebuted in
Action Comics #252 (May 1959). Harmless to Kryptonians, but has the same effect as the green variety on normal humans. The power source for one version of the character
Ultraman, Superman's evil counterpart.
[12]X-KryptoniteDebuted in
Action Comics #261 (Jan. 1960). Created by the character
Supergirl in an unsuccessful attempt to find an antidote to green kryptonite. Harmless to Kryptonians, the mineral gives normal lifeforms superhuman abilities, as in the case of Supergirl's pet cat
Streaky. Revised in
Superman Family #203 (Oct. 1980) to have the same effect as the green variety on kryptonians.
BlueDebuted in
Superman #140 (Oct. 1960). An "imperfect" form of kryptonite which affects the imperfect character
Bizarro in the same way the green variety of kryptonite affects Superman.
WhiteDebuted in
Adventure Comics #279 (Dec. 1960). Kills all plant life, from any world.
Red-Green: first varietyDebuted in
Action Comics #275 (April 1961). An alloy created by the villainous character
Brainiac, it caused Superman to mutate, temporarily growing a third eye in the back of his head.
Red-Green : second varietyDebuted in
Superboy Comics #121 (June 1965). Causes Superboy to lose his powers permanently but Phantom Zone criminal Vakox unwillingly cures him, restoring his powers.
GoldDebuted in
Adventure Comics #299 (Aug. 1962). Kryptonite affected by atomic radiation, and capable of permanently removing a Kryptonian's ability to process yellow sunlight, which in turn nullifies all superhuman abilities.
Red-Green-Blue-GoldDebuted in
Superman #162 (July 1963). An imaginary story in which Superman combines the minerals to power a device to boost his intelligence. An explosion causes a mishap and the character is split into two separate beings ("Superman-Blue" and "Superman-Red"), both of whom possess enhanced intelligence.
SilverDebuted in
Superman's Pal, Jimmy Olsen #70 (July 1963). Revealed by Jimmy Olsen to be a hoax. In
Superman/ Batman#49 (Aug. 2008), silver kryptonite was re-introduced, on this occasion shown to be authentic as it causes Kryptonians to suffer from delusions.
JewelDebuted in
Action Comics #310 (March 1964). Fragments of Krypton's Jewel Mountains. Amplifies the
psychic powers of the criminals imprisoned in the
Phantom Zone, allowing the characters to project illusions or perform mind control.
Bizarro RedDebuted in
Superman's Pal, Jimmy Olsen #80 (Oct. 1964). Affects humans the same manner that red Kryptonite affects Kryptonians.
Red-GoldDebuted in
Superman #178 (July 1965). Temporarily deprives Kryptonians of their memories.
Magno-KryptoniteDebuted in
Superman's Pal, Jimmy Olsen #92 (April 1966). Artificially created by the villain Mr. Nero, the mineral is magnetically attracted to all substances originally from Krypton.
Red-Green-GoldDebuted in
Superman #192 (Jan. 1967). An imaginary story in which the alloy permanently removes the character's abilities and memories of ever having been Superman.
SlowDebuted in
The Brave and the Bold #175 (June 1981). A modified variety of green Kryptonite produced by supervillan
Metallo that affects humans in a manner similar to the green mineral.
BlackDebuted in
Supergirl #2 (vol. 5, Oct. 2005). Can split a Kryptonian into two separate entities: one good and the other evil.
OrangeDebuted in
Krypto the Superdog #4 (Feb. 2007). Gives super abilities to any animal that comes into contact with it for 24 hours.
Kryptonite-XDebuted in
The Adventures of Superman #511 (April 1994). A one-time fluke, Kryptonite-X was created when the character the
Eradicator filtered a harmful barrage of kryptonite discharged by the villain
Cyborg Superman at Superman. The result was actually beneficial: "supercharging" the character and restoring his ability to process solar radiation.
PinkDebuted in
Supergirl vol. 4 #79 (April 2003). An
alternate universe story, the mineral turns Kryptonians into
homosexuals.
PeriwinkleDebuted in
Superman Family Adventures #9 (March 2013). A non-canon story, exposure causes Kryptonians to lose all inhibitions.
Twenty-five years and my life is still
Trying to get up that great big hill
of hope
For a destination