background colored coloured glass pebbles rocks shiny smooth striations textures variations veins Balearic Islands eroded erosion formations limestone Lluc majorca Mallorca natural nature rock shapes Spain striated striation trees worn pleated sharp abstract ancient backdrop block brown chaos chaotic color colour construction copy copyspace curve curves dressed erode face flat fossil geological geology gold grain grained grainy grit gritty grunge grungy layer layered level macro mason masonry material orange organic outcrop outcropping oxide patina pattern random rough rusty sand sandstone sandy sediment sedimentary silica silicate silicon space stone stonemason strata stratum striate surface swirl swirls texture textured uneven wall wallpaper weathered weathering weirdvis yellow appearance close-up colors colours decorative Dirt feel garden garden pebbles gray grey pebble patch rain rain drops river rocks rounded smoothed surfaces tactile varied variety veined