Mercury Sub-Surface Rock

Mercury Sub-Surface Rock is a block that generates in Mercury and is added by 4-Space.

Obtaining
A 3 block thick layer of Mercury Sub-Surface Rock generates under the Mercury Surface Rock layer, which covers the surface of Mercury. However, the player do not need to dig down to collect Mercury Sub-Surface Rock, as it can be found on the side of mountains. This is due to Mercury Sub-Surface Rock generating at the bottom of 2 block high walls on mountains.

Mercury Sub-Surface Rock require wooden tools or higher to harvest it, and is mined fastest using a pickaxe.

Usage
Mercury Sub-Surface Rock do not have much usage besides decoration, but it can be used as a construction material, although weaker than Mercury Surface Rock.