Flameborn 
Refined Sandstone Block
Blocks Common
A building material made from Sandstone, fitting the colors of the desert. It was created for architectural monuments.
Crafting
Workbench Used in
This item is not used in any known recipe.
Source: see “Refined Sandstone Block” on the Enshrouded Wiki (enshrouded.wiki.gg, CC BY-SA 4.0)