close-up of rough, dark grey stone texture with natural pattern. perfect for background, , and texture overlays

close rough dark grey stone texture natural pattern perfect background masonry granuliferous geode mountain granulite crustacean granularly artwork backdrop granite wallcovere closeup design mineral limestone impermeable slate lithological rubble quarry mountainside shale chipstone earth stonework quartzite surface overlay wall basaltic earthy rock granular mineralogy gneiss tilework lapidarium granulation gray sedimentary overlays generative