The crystal mines were a location on the planet Dodz whose pioneers protected themselves with a Ranger X-1 defense droid, which Jost Ellon later found inert near the mines.
The large crystal mines were first mentioned in Droids (1986) 1, the first issue of the Star Wars Droids comic series published by Star Comics, an imprint of Marvel Comics, which was first published on April 1, 1986.
The large crystal mines were first mentioned in Droids (1986) 1, the first issue of the Star Wars Droids comic series published by Star Comics, an imprint of Marvel Comics, which was first published on April 1, 1986.