collection of various colored gemstones and crystals are spread out on a black surface.

mineral quartz stones crystal amethyst gem nature geology background agate collection gemstone precious pebble obsidian rock mineralogy beauty chrysoprase carnelian esoteric blue colorful closeup semiprecious sodalite raw pyrite set green white design tourmaline apatite treasure aquamarine amber ornamental texture emerald sulfur sherl sample specimen decorative bright jewelry object ai generated