Sandstone

 seems to be a Stone equivalent found beneath layers of sand in the Desert biome as stone is found under dirt. Although found at similar levels, is much less durable than stone found elsewhere in Navezgane.

As many other building resources are much cheaper and durable than it is not advised to use it as a building material. can be scrapped into Crushed Sand, a vital ingredient in glass forging. This was not possible until a recent release.

Crafting
Sandstein Arenaria