Where to Find Uraninite crystal in Subnautica: Below Zero
Uraninite crystal is likeliest in Crystal Caverns (about 357 spawns per new game there). Most modelled spawns lie between -691 m and -364 m (negative is below sea level), and the files place no fixed spot for it: every one is rolled per new game.
Data: Subnautica: Below Zero game files (build of 12 Aug 2025), read and drawn by PinDrop. (c) Unknown Worlds Entertainment. PinDrop is fan-made and not affiliated with Unknown Worlds Entertainment.
Where to find Uraninite crystal: areas ranked
Top 4 areas by expected spawns per new game, then the share of that area's spawn slots that can hold uraninite crystal.
- Expected spawns per game
- 729
- Fixed pins in the files
- 0
- Depth band (metres)
10%: -691 m · median: -534 m · 90%: -364 m
| Rank | Area | Share of area slots | Chance per eligible slot | Expected per game |
|---|---|---|---|---|
| 1 | Crystal Caverns | 18% | 2.6% | 357 |
| 2 | Tree Spires | 6.7% | 2.4% | 166 |
| 3 | Lily Pads | 5.6% | 1.4% | 148 |
| 4 | Purple Vents | 4.2% | 2.9% | 58.3 |
A model read from the game's code and data (EntitySlot spawner tables, 921,892 baked slots), not verified in a running game; it shows where a resource CAN spawn, not where it is in your save.
How Uraninite crystal appears
| Name in the game | Form | File id |
|---|---|---|
| Uraninite crystal | Item you pick up | UraniniteCrystal |
The files name no tool for this resource, so none is given here. Outcrop and item forms come from the spawn-table ids (Breakable, Drillable, or the item itself).
What Uraninite crystal is used in
1 named recipe in the game files uses uraninite crystal as an ingredient.
Reactor rodneeds 2 · Fabricator, Seatruck Fabricator Module
All recipes are on the crafting page.
About Uraninite crystal in Subnautica: Below Zero
Uraninite crystal has 4 areas in the spawn model, led by Crystal Caverns with about 357 expected spawns per new game. In the model 10% of its spawns lie deeper than -691 m and 10% shallower than -364 m, with the median at -534 m (negative is below sea level). The game files place no fixed pin for it.
The chance model is built from the game's own spawn tables, so it shows where uraninite crystal can appear, not where it sits in your save. For the other ores see the resource chance table; blueprints that unlock recipes are on the blueprints page.
A model read from the game's code and data (EntitySlot spawner tables, 921,892 baked slots), not verified in a running game; it shows where a resource CAN spawn, not where it is in your save.