Deletion of Dilithium (Star Trek)

Comment: I'm not even a Star Trek fan and I know about Dilithium crystals!  The dilithium crystal concept has been a staple of space-faring SciFi (both real and parody) since Star Trek introduced them, one notable example being Galaxy Quest.   This easily falls within 
Stance: keep
Cited policy: Wikipedia:Notability (WP:FICT)

Comment: and close per 
Stance: keep
Cited policy: Wikipedia:Snowball clause (WP:SNOW)