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Adegan crystal

- "They're Adegan crystals—precious and hard to find. Jedi use them to make the best lightsabers."
- ―Andur Sunrider
Adegan crystals were commonly used by Jedi as a main component of a lightsaber. Also known as "Ilum crystals", these rare Force-reactive stones were primarily found in the Adega system. A fair amount of these crystals could also be found on the planet Halm, also found on Mygeeto[1], and in parts of the Cularin system asteroid belt.
The vast majority of lightsaber crystals from Ilum were green or blue in color, but all of them had the special properties that made them ideal for a Jedi's weapon. When induced by resonant frequencies, the crystals emitted powerful bursts of light, and further components of a lightsaber harnessed this power into a rod-like beam.
Adegan crystals had a special connection to the Force, and it was through their use that Jedi created a bond between themselves, the Force, and their weapon. The Adegan crystals in a lightsaber gave off a weak Force signature that could be sensed by any Jedi.
After the execution of Order 66, the Galactic Empire banned possession of all crystals capable of use in a lightsaber.
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Types of Adegan crystal
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- Kathracite was the most common form of Adegan crystal, followed by relacite and danite. These crystals didn't focus energy as well as their rarer cousins, and thus were usually reserved for use in training sabers.
- Mephite was a typical Adegan crystal used by the Jedi.
- Pontite was the rarest and most powerful type of Adegan crystal. Nearly impossible to find, it resonated with a powerful aura that cooled both skin and tempers.
Appearances
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- Tales of the Jedi: The Saga of Nomi Sunrider
- Tales of the Jedi (audio)
- Tales of the Jedi: The Freedon Nadd Uprising
- Tales of the Jedi: Dark Lords of the Sith
- Tales of the Jedi: Redemption
- Tales of the Jedi: Knights of the Old Republic
- Star Wars: Knights of the Old Republic II: The Sith Lords
- Star Wars: Darth Plagueis (Mentioned only)
- Cloak of Deception
- Darth Maul: Shadow Hunter (Mentioned only)
- Jedi Quest: Path to Truth
- Outbound Flight
- I am a Jedi Apprentice (Mentioned only)
Star Wars: Clone Wars – "Chapter 14"
- Coruscant Nights III: Patterns of Force (Mentioned only) (as Ilum crystal)
- Star Wars: The Force Unleashed video game (as Ilum and Mephite)
"The Way of the Force"
- The Last of the Jedi: Dark Warning
- Star Wars: The Force Unleashed II (Wii version, as Ilum crystal)
- Star Wars: Empire at War
- Star Wars: Empire at War: Forces of Corruption
- Star Wars: Rebellion (Mentioned only)
- River of Chaos 2 (Mentioned only)
- Star Wars: Yoda Stories (Ambiguously canonical source)
- Child of Light (Mentioned only)
- Soulsaber
- Star Wars Episode VI: Return of the Jedi radio drama (First appearance)
- Jedi Knight II: Jedi Outcast
- Star by Star
Sources
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- Dark Empire endnotes (First mentioned)
- A Guide to the Star Wars Universe, Second Edition
"Straight from the Horse's Mouth: A Guide to the Tales of the Jedi Universe, Part 1"—Star Wars Insider 26
- The Essential Guide to Characters
- Tales of the Jedi Companion
- The Essential Guide to Weapons and Technology
- Return of the Jedi: The National Public Radio Dramatization
- Star Wars Encyclopedia
- A Guide to the Star Wars Universe, Third Edition
- The Essential Chronology
- The New Essential Guide to Characters
- The Official Star Wars Fact File 53 (LIG10, Darth Vader's Lightsaber)
- The New Essential Chronology
- The New Essential Guide to Weapons and Technology
- Jedi vs. Sith: The Essential Guide to the Force
- The Complete Star Wars Encyclopedia
- Jedi Academy Training Manual
- Star Wars: The Official Starships & Vehicles Collection 24
- The Essential Atlas
- The Art and Making of Star Wars: The Old Republic
Ilum on The Old Republic Holonet