Kryptonite discovery 

Video presented by Mike Rumsey

Kryptonite (video)
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Mineral curator, Mike Rumsey, talks about the identification of a mineral matching kryptonite's unique chemistry, sodium lithium boron silicate hydroxide, as described in the film Superman Returns.

  • Presented by: Mike Rumsey
  • Date: 23 April 2007
  • Duration: 1:53

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