jeweler cutting and shaping a rough emerald stone, generative ai

craftsmanship semiprecious alexandrite generative production aquamarine tourmaline mineralogy materials gemstones turquoise tanzanite selective gemstone lapidary crafting workshop supplies precious sapphire amethyst jeweler cutting shaping emerald closeup diamond jewelry natural citrine peridot crystal mineral geology cutter making design studio stones garnet spinel jasper quartz nature rough stone tools topaz agate focus work ruby opal jade onyx rock gem