Obsidian Brick Wall (natural)

The Obsidian Brick Wall is a type of wall commonly found in the Underworld as the wall of Ruined Houses. On the it can be crafted.
On 
it has an alternative version which is even darker in color. The alternative version drops instead of the natural one when the natural version is destroyed, but can otherwise be used by the player as any other wall type.
== Crafting ==
=== Recipes ===
=== Used in ===
== History ==
* Mobile (unknown patch, 1.3.0.7 or earlier):
** Now craftable and harvestable, same change as in 1.4.0.1 (see above).