This page pertains to the Obsidian Mod. The items, NPCs, or features described in this article are from the Obsidian Mod, and cannot be found in standard Terraria.
apply to versions 1.0 and newer.
Silicium is a reference to the material silicon, used in the manufacture of integrated circuits. When discovered, the substance was deemed silicium. Several English-speaking nations now refer to it as silicon.