Doppelganger Crystal with Remote Control

Production Description: Multi-colored crystal used in the production of the Stargate Atlantis Season Four episode, "Doppelganger." The crystal represented a distant, malevolent cousin of the "Unity" crystals featured in the Stargate SG-1 episode "Cold Lazarus." By simply touching this crystal, a duplicate of John Sheppard was duplicated which threatened the lives of everyone around him while they dreamt.
Technical Description: Production made clear rubber crystal formation, base is painted green with metallic blue highlights on large crystals, base has removable cover and interior magnets, when turned on the crystals light up and can be brightened, dimmed, and turned on and off with an included radio control device. Crystals measure approx. 4in tall with a 5.5in diameter. Radio control measures approx. 4.5in x 2.5in x 1.75in with a 3.75in antenna.