Crystalline Sulfur (Below Zero)

Crystalline Sulfur is a raw material that functions as an oxidant and reducing agent. It can be found in Sulfur Plants after the residing Crashfish has left.

Trivia
Crystalline Sulfur takes the place of Cave Sulfur in crafting recipes in Subnautica: Below Zero, being used in all recipes that required Cave Sulfur in Subnautica.