- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
An internally naturally glowing mineral that has a high commercial value. Vash, an archaeologist and entrepreneur, while in the Gamma Quadrant, stumbled upon a geode resembling a Promethean quartz, but it ultimately discovered to contain a winged energy creature that nearly destroyed Deep Space Nine.