Building blocks
Red Bulk Goods Tile
A sandstone block with 200 hit points.
Harvest drops
Clay Soil× 30-40
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
When it collapses
Falling, it leaves 
Destroyed Stone (50% of the time) where it lands.
Where to find (3 POIs)
Happy Sleep Motel (tier 3), Pass-N-Gas Plaza (tier 3), Pass-N-Gas Refinery (tier 3).
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.