close-up shots of black, gray and dark gray stone surfaces, complete with intricate cracks and rough details.

worn weathered wall uneven undefined texture surfacetexture surface stone solid slate sedimentary scratchedsurface scratched rugged roughstone roughness rough rock pattern organic naturalpattern natural mineral material jagged hard grunge gritty gray granite geology erosion distressed details detailed design dark cracks cracked concrete coarse closeup charcoal black basalt background artistic aged abstract