MIXED different textures (water + gravel + stone) which make a natural material texture
it is not made by geometry (just texture)
Albedo / 4k
AO / 4K
Glossiness / 4K
Roughness / 4k
Normal / 4k
Displacement / jpg 4k
VRAY + CORONA + fbx
- No plugins required

recommend to use corona / vray displacement modifier for having best quality