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Doonium was a heavy metal that was used primarily for starship construction. Doonium was found and mined on numerous planets and asteroid fields around the galaxy,[2] a few of these locations being the planets Batonn, Umbara,[1] Samovar,[2] Lothal, and the Socorro asteroid belts.
History
During the High Republic Era, doonium was used with durasteel and Tolisian ore to create armor to protect Jedi from the effect of the Nameless.[4]
The Lothal doonium mine was run by Pryce Mining until Arihnda Pryce made a deal with Senator Domus Renking to have ownership transferred to the Galactic Empire. Doonium saw use in Mark One Pistoeka sabotage droids.[1]
Following the end of the Clone Wars, the Empire extensively mined and stockpiled large amounts of doonium, secretly utilizing it in the construction of the Death Star superweapon,[1] for which, along with dolovite, it was essential in shielding the hypermatter reactor core and focusing dish.[2] Around this time, three people in particular, Thrawn, Eli Vanto and Nevil Cygni all noticed that doonium was being transferred to an unknown point in the galaxy, though only Cygni, the rebel agent "Nightswan," actively fought to prevent the Empire's shipments of the mineral in fear of whatever the Empire was creating. Thrawn later learned from unguarded dispatches the true nature of the doonium's secret use.[1]
Appearances
- The High Republic: Trials of the Jedi (and audiobook)
- Darth Maul – Black, White & Red 2 (Mentioned only)
- Catalyst: A Rogue One Novel (and audiobook) (First appearance)
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Star Wars: The Bad Batch — "Devil's Deal" (Mentioned only) - Thrawn (and audiobook)
- Thrawn 2 (First pictured)
- Thrawn 3 (Mentioned only)
- Thrawn 4 (Mentioned only)
- Thrawn 6 (Appears in hologram)
- Star Wars Jedi: Fallen Order
- Rebel Rising (and audiobook) (Mentioned only)
- Thrawn: Alliances (and audiobook) (Mentioned only)
- "Fully Operational" — From a Certain Point of View (and audiobook)
- "Laina" — From a Certain Point of View (and audiobook) (Mentioned only)
- Star Wars Outlaws (Mentioned only)
- The Princess and the Scoundrel (and audiobook) (Mentioned only)
- Star Wars: Hunters
-
Star Wars Galaxy of Creatures — "Puffer Pig"
Sources
- Star Wars Helmet Collection: Ezra Bridger Highlights of the Saga: Leaving Lothal
-
Star Wars: X-Wing Second Edition — Mining Guild TIE Expansion Pack Card: Mining Guild Surveyor — Modified TIE/ln Fighter - Star Wars: Dawn of Rebellion: The Visual Guide
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5 Behind-the-Pages Secrets of Star Wars: Dawn of Rebellion on StarWars.com (backup link) - Star Wars: The Rise and Fall of the Galactic Empire
-
Imperial doonium refinery in the Databank (backup link) - Rho-class transport shuttle in the Databank (backup link)