Crystalline Sulfur (Below Zero)

Crystalline Sulfur is a raw material that functions as an oxidant and reducing agent. It can be found in after the residing  has left. It can also be found in the thermal pools on the Rocket Island.

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.