crystal seamless pattern, black and white hand-drawn gem doodle digital paper, abstract crystals repeating background, the monochr

abstract art background boulder collection crag crystal cute decorative design diamond doodle element fashion flat gem geometric grain graphic gravel hexagon hipster illustration jewel masonry metal mineral modern mosaic ore ornament outline paper pattern pebble polygon rock seamless shape sign stone stonework stylish texture trendy triangular vector vintage wallpaper wrapping