Mangana aqua jewels were precious stones coveted by the Gungans of Naboo. The jewel was a brilliant, yellow-tinged gem that was found on the bottom of Naboo's major waterways. Gungan leaders, such as Boss Rugor Nass, fitted their headpieces with a single egg-shaped mangana aqua jewel on top.
- Star Wars: Episode I The Phantom Menace (First appearance)
- Star Wars: Episode I The Visual Dictionary (First identified as Mangana aqua jewel)
- The Complete Star Wars Encyclopedia