abstract appearance background brown colored coloring colors coloured colouring colours conglomerate contours contrast contrasts cracks fissures flaws grit gritty layered layers levels light lines natural rock rock-face rockface rocky rough rugged shade shadows shape shaped shapes stone strata stratum sunlight sunny sunshine surface surfaces texture textured textures veins wallpaper angles architectural architecture Colonial craftsmanship creative decorative Designs distinctive exterior external heritage historic historical history old outside patterns perspectives solid stones stonework strong style traditional variations wall windows blocks cracked silicate split strength mica breaking-through quartz ribbons shades of color shades of colour