Magnetite (Subnautica)
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Magnetite is a raw material in Subnautica. Its chemical formula is Fe₃O₄, a metal oxide with magnetic properties. The item form is found abundantly in the Mountains, Mountains Caves, Jellyshroom Cave, and Lost River. Magnetite can also be harvested from large resource deposits.
Data Bank Entry
Magnetite is an iron oxide valued for its magnetic potential amongst other qualities. It is used in many federation technologies, including sonar and torpedo systems.
Assessment: Essential for advanced fabrication
Biomes
Magnetite can be found in the following biomes:
- Blood Kelp Zone
- Inactive Lava Zone
- Jellyshroom Cave
- Lava Castle
- Lost River
- Bone Fields
- Ghost Forest
- Tree Cove
- Mountains Caves
- Mountains
- Sea Treader's Path
Large Resource Deposits
Large Magnetite Deposits are categorized under Large Resource Deposits. Drilling these deposits yields:
- 7 - 14 Magnetite

Crafting Uses
Fabricator
| Item | Ingredients |
|---|---|
| Computer Chip | Titanium + Magnetite |
| Battery | Copper Wire + Lithium + Magnetite |
| Stasis Rifle | Plasteel Ingot + Enameled Glass + Magnetite + Aerogel + Habitat Builder |
Modification Station
| Item | Ingredients |
|---|---|
| Propulsion Cannon | Prawn Suit Propulsion Cannon + Magnetite |
| Repulsion Cannon | Magnetite + Propulsion Cannon |
| Seamoth Depth Module MK1 | Seamoth Depth Module MK1 + Magnetite |
| Seamoth Depth Module MK2 | Plasteel Ingot + Enameled Glass + Seamoth Depth Module MK1 + Magnetite |
Vehicle Upgrade Console
| Item | Ingredients |
|---|---|
| Seamoth Sonar | Copper Wire + Vehicle Upgrade Console + Magnetite × 5 + Lithium |
| Prawn Suit Propulsion Cannon | Prawn Suit Propulsion Cannon + Magnetite |
| Seamoth Vortex Torpedo | Magnetite + Prawn Suit Propulsion Cannon |
Cyclops Fabricator
| Item | Ingredients |
|---|---|
| Cyclops Sonar Upgrade | Cyclops Upgrade Console + Magnetite |
Scanner Room Fabricator
| Item | Ingredients |
|---|---|
| Scanner Room Range Upgrade | Scanner Room HUD Chip + Copper Ore + Magnetite |
Gallery
Magnetite in the Mountains
The large form of Magnetite
Model from Sketchfab
Trivia
- Magnetite was at one point renamed to Iron Ore, but was changed back to Magnetite shortly afterward.
- In real life, Magnetite is often mined and used as a source of iron as an Iron Oxide Crystal.