Unprocessed Neptunium. Found on Proto-Worlds (and in several other biome types), Unknown, Strange Sea and Lightless worlds and can be refined into Neptunium Rod (Np), one of many radioactive fuel sources - at a ratio of 3:1. It appears as a light purple ore similar to sulfur in appearance.

Neptunium can also be yielded from domesticated Erchibuds.

Learn From Ingredient For Teaches Extracted From Centrifuged From
Neptunium Rod (Np) Neptunium Rod (Np)

Arc Smelter Yield[edit | edit source]

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