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Zersium was a mineral ore essential in the production of durasteel. The bedrock of the planet Nag Ubdur was flecked with zersium, which prompted the Galactic Empire to strip-mine the world.[1]
Appearances
- Dooku: Jedi Lost (First appearance)
- Dooku: Jedi Lost script
- Aftermath: Life Debt (and audiobook) (First mentioned)
- Shadow of the Sith (and audiobook)