marble agate stony seamless pattern background - medium purple, violet, red, blue, maroon color - rough surface

agate backdrop background banner bevel blue color colored colorful design digitally emboss floor floorboard flooring gemstone generated gradient illustration image irregular jewel layered map marble marbled maroon material medium multi multicolor natural organic pattern plastic purple red relief render rendering rock rocky rough seamless spectrum spotted stone stony surface varicolored variegated violet wallboard wallpaper web