Dilithium

Fictional record. This page describes a mining commodity from a fictional setting, not a real material. Information is based on the cited canon, with adaptations and interpretation distinguished where necessary. It is kept separate from the real MineArchive corpus — see Fictional.

A crystalline mineral used across the Star Trek franchise to regulate the matter/antimatter reaction that powers a warp drive — without it, the reaction cannot be controlled and a ship cannot safely go to warp.

Where it occurs

Occurs as a natural crystalline deposit on various planets across different series and films; no single site is treated as canon's only source, unlike Khazad-dum's mithril or Schmaltzberg's fat. No mine or extraction site for it has yet been added to this archive — see internal_notes.

How it's obtained

Not given in general terms; specific mining locations and methods vary by episode and have not yet been researched for this archive.

Properties

Structured as a crystal capable of regulating a matter/antimatter reaction: in a high-frequency electromagnetic field, it generates eddy currents that keep charged particles away from its own crystal lattice, which is what stops it being annihilated by the antimatter it is regulating rather than simply reacting with it.

Why it's valuable

Without functioning dilithium, a warp core cannot safely sustain a matter/antimatter reaction — it is a basic precondition for faster-than-light travel throughout the franchise, which is what makes it strategically important wherever it is found.

Uses

Used in the dilithium crystal chamber (also called the dilithium regulation chamber or matter/antimatter chamber) at the heart of a warp core, a design used in Starfleet ships since at least the Earth NX-class.

Canon & adaptations

The franchise's own treatment of dilithium has shifted over time rather than staying fixed: earlier material (the original series) treats it as a genuinely scarce, fought-over resource that has to be found and mined; later material depicts it as synthesizable, which changes its strategic importance considerably. This record does not try to reconcile the two into one consistent fact — both are kept as the franchise's own history of the idea.

Recorded claims

Each claim is marked with its basis — explicit canon, MineArchive inference, adaptation only, or fandom interpretation — and attached to the source(s) below. Where tellings disagree, both are kept.

• Dilithium regulates the matter/antimatter reaction in a warp core; without it the reaction cannot be safely controlled. (explicit canon) ¹
• In a high-frequency electromagnetic field, dilithium generates eddy currents that keep charged particles from its own crystal lattice, preventing the crystal itself from being annihilated by the antimatter it regulates. (explicit canon) ¹
• Early franchise material treats dilithium as a scarce, mined resource worth fighting over; later material depicts it as synthesizable. (explicit canon) ¹

Sources

1. (interpretation) Dilithium (List of Star Trek materials) — Wikipedia, cross-referencing multiple Star Trek series and films

Record created: 25 August 2026 · Last researched: 25 August 2026