abstract appearance background blended brown brownish color colored colors colour coloured colours cracked cracking cracking-up cracks cream creamy details distinctive dried drought dry drying grooved grooves hard interconnected interlinked light lined lines patterns perspectives shape shapes soap soapy surface surfaced surfaces surfacing texture textured textures thick thin wallpaper yellow coloring colouring conglomerate contours contrast contrasts fissures flaws grit gritty layered layers levels mica natural rock rock-face rockface rocky rough rugged shade shadows silicate stone strata stratum sunlight sunny sunshine veins