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Myriad Universes: dilithium
Dilithium crystals. (TOS 20)

Dilithium crystals. (TOS 20)
First Appearance  • as lithium: TOS 03 (13 Oct 1966)
 • as dilithium: TOS 20 (30 Mar 1967)

Dilithium crystals were the primary power source of starships, such as the U.S.S. Enterprise NCC-1701.[1] Automated stations were used to "crack" dilithium; one such station was located on Delta Vega.[2] When the Enterprise's dilithium crystals were damaged in an encounter with the Galactic Barrier on Stardate 1312.4, Captain Kirk used the automated station there to repair his ship.[3]

When the dilithium[2] crystals aboard the Enterprise were burned out while rescuing Harry Mudd when his ship was destroyed in an asteroid field on Stardate 1329.1, Captain Kirk was forced to negotiate for replacement crystals with a group of miners on Rigel XII, negotiations that were complicated by interference from Mudd.[4] On Stardate 3087.6, while the Enterprise was investigating moments of galaxy-wide "nonexistence," which Starfleet Command believed to be a potential prelude to invasion from an alternate universe, a being known as Lazarus and his extradimensional counterpart stole the ship's dilithium crystals, one in a bid to destroy his counterpart, the other to attempt to seal the rift between the dimensions.[1]

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Notes and References

  1. 1.0 1.1 Roddenberry, Gene (Executive Producer). "The Alternative Factor." Star Trek, Season 1, Episode 20. Directed by Gerd Oswald. Written by Don Ingalls. Desilu Productions, 30 March 1967.
  2. 2.0 2.1 Early episodes of Star Trek referred to the crystals that powered the ship as "lithium" crystals. Since the properties of lithium were well known, however, the name was changed to the fictional "dilithium" in subsequent episodes.
  3. Roddenberry, Gene (Executive Producer). "Where No Man Has Gone Before." Star Trek, Season 1, Episode 1. Directed by James Goldstone. Written by Samuel A. Peeples. Desilu Productions, 22 September 1966.
  4. Roddenberry, Gene (Executive Producer). "Mudd's Women." Star Trek, Season 1, Episode 3. Directed by Harvey Hart. Story by Gene Roddenberry. Written by Stephen Kandel. Desilu Productions, 13 October 1966.