superfriends
Slate'"`UNIQ--ref-00000000-QINU`"'

Slate[1]

Slate was a type of rock that could be located in slate quarries.[2]

History

Earth-1A

Batman and Robin once investigated some raw slate at a slate quarry to see if there was anything wrong with it, since it shattered.[3]

References

  1. ↑ As seen in The Ultra Beam.
  2. ↑ As seen in The Ultra Beam.
  3. ↑ As seen in The Ultra Beam.

External Links