beautiful bright multi-colored collection of natural stones and minerals from around world lies on black background. amber,

agate amber amethyst apatite aquamarine background beautiful beauty black blue carnelian chrysoprase closeup collection color colorful crystal decorative design emerald esoteric gem gemstone geological geology green lapis lazuli mineral mineralogy natural nature obsidian ornamental pebble precious pyrite quartz raw rock sample semiprecious set sherl sodalite specimen stone stones sulfur texture tourmaline