asbestos
From Trekipedia
Asbestos was a fibrous, silicon-based mineral with insulating and fire-resistant properties. Spock once described the tissue of the Horta's skin as resembling asbestos.[1]
Notes and References
- ↑ Roddenberry, Gene (Executive Producer). "The Devil in the Dark." Star Trek, Season 1, Episode 25 (Production 26). Directed by Joseph Pevney. Written by Gene L. Coon. Desilu Productions, 9 March 1967.
