"An ultra-realistic 3D rock model with intricate cracks, erosion, and surface imperfections. Features detailed PBR textures with 4K maps, realistic roughness, and natural color variations like granite, basalt, or sedimentary layers. Includes weathered edges, fine crevices, and accurate lighting to enhance depth. Optimized for photorealistic rendering with proper normal, displacement, and ambient occlusion maps for maximum realism.