Stone Walls and Grounds in Resources and Add-ons, Shaders, Daz Studio,  3D Models by Daz 3D

6 Iray stone wall textures every in three coloration variations.

6 Iray stone floor textures every in three coloration variations.

Full 36 Iray shader presets.<

https://www.daz3d.com/stone-walls-and-grounds