gray blue rock texture. rough mountain surface with cracks. close-up. toned stone background with space for .

abstract backdrop background banner basalt blue boulder broken brush building close color construction cracks crushed dark design detail dirty durable elegant geometric granite gray grey grunge iron lasting light long luxury macro material matte metal metallic mineral mountain natural nature old paint panorama panoramic pattern plate rich rock rocky rough rugged scratch sheet slate solid space steel stone stripe strong surface texture toned vintage wall wallpaper web wide