Copper

Copper could be used in lightsaber construction. In 14 BBY, the fugitive Jedi Padawan Cal Kestis acquired enough of it to fashion a lightsaber hilt.

During the Galactic Civil War, copper was used as a component in certain starship fuels. Other uses of copper included droid plating.

Sources

Sabine My Rebel Sketchbook
Rey's Survival Guide
Star Wars: Scum and Villainy: Case Files on the Galaxy's Most Notorious
Star Wars: The Lightsaber Collection

Appearances

The High Republic: Convergence (Unknown)

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The High Republic: Convergence audiobook (Unknown)

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The High Republic: Path of Deceit (Unknown)

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The High Republic: Path of Deceit audiobook (Unknown)

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The High Republic: Quest for Planet X (Unknown)

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The High Republic: Quest for Planet X audiobook (Unknown)

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The High Republic: Light of the Jedi (Unknown)

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The High Republic: Light of the Jedi audiobook (Unknown)

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The High Republic: Temptation of the Force (Unknown)

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The Acolyte — "Destiny" (Unknown)

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Queen's Shadow (Unknown)

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Queen's Shadow audiobook (Unknown)

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"Galactic Tales: Inheritance" — Star Wars Insider 211 (Unknown)

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Brotherhood (Appears in hologram) (Unknown)

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Brotherhood audiobook (Appears in hologram) (Unknown)

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Dark Disciple (Mentioned only) (Unknown)

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Dark Disciple audiobook (Mentioned only) (Unknown)

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Star Wars Jedi: Fallen Order (Unknown)

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Jedi: Battle Scars (Mentioned only) (Unknown)

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Jedi: Battle Scars audiobook (Mentioned only) (Unknown)

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Leia, Princess of Alderaan (Unknown)

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Leia, Princess of Alderaan audiobook (Unknown)

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Rogue One: A Star Wars Story novelization (Mentioned only) (Unknown)

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Rogue One: A Star Wars Story audiobook (Mentioned only) (Unknown)

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Battlefront II: Inferno Squad (Unknown)

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Battlefront II: Inferno Squad audiobook (Unknown)

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"Dune Sea Songs of Salt and Moonlight" — From a Certain Point of View: Return of the Jedi (Mentioned only) (Unknown)

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"Dune Sea Songs of Salt and Moonlight" — From a Certain Point of View: Return of the Jedi audiobook (Mentioned only) (Unknown)

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The Princess and the Scoundrel (Unknown)

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The Princess and the Scoundrel audiobook (Unknown)

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Star Wars: Uprising (Indirect mention only) (Unknown)

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Aftermath: Life Debt (Mentioned only) (Unknown)

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Aftermath: Life Debt audiobook (Mentioned only) (Unknown)

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Victory's Price (Mentioned only) (Unknown)

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Victory's Price audiobook (Mentioned only) (Unknown)

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Last Shot (Unknown)

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Last Shot audiobook (Unknown)

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Shadow of the Sith (Unknown)

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Shadow of the Sith audiobook (Unknown)

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Bloodline (Unknown)

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Bloodline audiobook (Unknown)

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The Legends of Luke Skywalker (Unknown)

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The Legends of Luke Skywalker audiobook (Unknown)

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Force Collector (Mentioned only) (Unknown)

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Force Collector audiobook (Mentioned only) (Unknown)

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Phasma (Mentioned only) (Unknown)

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Phasma audiobook (Mentioned only) (Unknown)

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"The Wine in Dreams" — Canto Bight (Unknown)

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"The Wine in Dreams" — Canto Bight audiobook (Unknown)

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