an Entity references as follows:
Grillenburg Sandstone (German: Grillenburger Sandstein) and Niederschöna Sandstone (Niederschönaer Sandstein) belong to the Elbe Sandstones of central Europe. There used to be a number of sandstone quarries in the Tharandt Forest and its neighbourhood, not far from Höckendorf (Paulsdorf Heath) and , near , and Hetzdorf in the state of Saxony. These Cretaceous sandstones emerged in the Cenomanian and Turonian ages. The aforementioned quarries have long since closed.