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Kryptonite

Some of the more interestings forms of the element that has varying effects on Kryptonians

Low $170
 | 
Mid $500
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High $2k
  • Debut of Kryptonite, the element that weakens Superman first seen as a gemstone in the turban of a villain (although it does not appear to be the green color as we know it today)
  • Origin of Superman retold
Low $80
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Mid $240
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High $1k
  • 1st appearance of real Kryptonite with a green hue
  • * in an earlier issue, Lex Luthor synthesized Kryptonite and it appeared green but it was not real Kryptonite)
Low $30
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Mid $100
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High $320
  • Debut of Red Kryptonite (temporarily causes strange behavior or mutations)
Low $25
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Mid $90
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High $360
  • Debut of Blue Kryptonite (causes immense power in Bizarro to the point of exploding)
  • 1st appearance of Bizarro Supergirl
  • Origin of Bizarro Jr.
Low $15
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Mid $50
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High $170
  • Debut of White Kryptonite (destroys vegetation)
Low $20
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Mid $65
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High $240
  • Debut of Red/Green Kryptonite (causes mutations such as the extra eye that appeared on the back of Superman's head in this issue)
Low $9
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Mid $25
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High $125
  • Debut of Gold Kryptonite (permanently strips Kryptonians of their powers)
Low $5
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Mid $15
 | 
High $65
  • Debut of Silver Kryptonite (no effect, fake)
  • Later appears in Superman/Batman #46 with marijuana-type of effects
Low $12
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Mid $35
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High $150
  • Debut of Jewel Kryptonite (enhances the mental abilities of criminals trapped inside the Phantom Zone to affect events throughout the universe)
Low $8
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Mid $25
 | 
High $180
  • Debut of Red/Gold Kryptonite (causes temporary amnesia in Kryptonians)
Low $1
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Mid $2
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High $3
  • Debut of Pink Kryptonite (has a feminizing affect on Kryptonians as demonstrated by Superman in this issue)
Low $1
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Mid $2
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High $3
  • Debut of Black Kryptonite (splits Kryptonians into two separate beings, one good and one evil)
Low $1
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Mid $2
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High $4
  • Debut of Orange Kryptonite (gives temporary super-powers to animals who come into contact with it)
Low $1
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Mid $2
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High $5
  • Debut of Platinum Kryptonite (gives a human the power of a Kryptonian)