Obsidian Brick

The Obsidian Brick is a brick-block mainly used for building. It can be crafted at a Furnace or mined by any tier of pickaxe. It is commonly found in the Underworld's Ruined Houses.

Trivia

 * Obsidian Bricks use materials efficiently, Chlorophyte being the only other brick to create two bricks with only one ore.
 * Part of the Obsidian Brick's texture resembles a demon face.