inside of amathyst quartz geode. aquamarine natural quartz blue gem geological crystals texture background

inside amathyst quartz geode aquamarine natural blue gem geological crystals texture background geology macro mineral mineralogy nature rock amethyst crystal isolated precious structure white agate bright calcite collection esoteric jasper jewellery magical round ruby spectrum spiritual tonality tumbled turquoise carnelian color colorful gemstones jewelry jewels lazurite semiprecious stones semi rose pink orange purple