|Derivation:||From sand + stone,because it's a stone made of sand|
|Description:||A gritty crumbly stone. It can be greyish yellow to brown.|
Sandstone is a sedimentary rock, made of grains of sand. Many buildings in England are made of it. Kenilworth Castle is red, because it is made of the local sandstone. However, it can cause problems as a building stone, since it weathers badly, as you can see from the photograph of a wall on the right.
This came from a quarry in Chester which dates back to Roman times.