Ilum/Legends

Ilum is the ice planet which is home to the crystals used in the construction of Jedi lightsabers.

Appearances

 * Clone Wars micro-series
 * Luminara Unduli and Barriss Offee defended a Jedi temple on Ilum from a Separatist attack. The cave they were in eventually collapsed from damage caused by Chameleon droid mines. Yoda rescued them.