Material of the rock wall. Cliff
Dark and light material options.

Link to the material of the stone with a large expansion of textures (16384×16384):
https://3dsky.org/3dmodels/show/kamennaia_stena_5a_1 

High quality material and textures. Detailed enough for close-up rendering.

The archive contains:
.max2014_VRay
.max2014_Corona
.OBJ
.FBX
.jpg – 7 textures (diffuse diffuse reflection (Specular) roughnes (Glossines) normal displacement). Texture resolution 4096×4096 pixels. Seamless texture.

All textures and materials are included and displayed in every format.
Materials are logically named for ease of scene management.

Pre-rendered using Corona.
The stage lighting is not included in the model.
The model does not include backgrounds or scenes used in previews.

who works in V-Ray versions lower than 3.1 be careful in the materials in the BRDF section there is Microfaset GTR (GGX) if your version is older than 3.1 then the BRDF field will be empty. Choose Blinn Phong or Ward – which is preferable for you