2 versions: PBR texturing workflow (Metal) and a Standard Specular/Diffuse/Normal workflow.
A Rock Stack that can be used in a 3d game engine such as Unity or Unreal.
You can stack them on top of each other, scale them, rotate them to create cliffs, mountains, or just stand alone stones.
2048×2048 textures:
Metal: Albedo, AO, Bump, Metalness, Normal and Roughness
Spec: AO, Bump, Diffuse, Gloss, Normal and Specular.