weathered basalt boulder rock wall in gray black anthracite colors grouted with cement, grout. texture without vignetting

anthracite architecture backdrop background backgrounds basalt black boulder boulders brickwork cement chippings chunks closeup colors concrete crack dark decorative detail exterior facade face floor granite gray grey grout grouted grunge hard imperial marble masonry modern natural nero old outdoor pavement pieces rock rough slate solid stone texture textured vignetting vignettingnweathered vintage wall wallpaper weathered