macro photo of sparkling crystals of white, magenta and violet amethyst, semi precious minerals,

amethyst macro gem crystal mineral purple quartz gemstone geology stone shiny background closeup precious violet texture beautiful jewelry magenta textured natural geologic jewelery treasure polished magical transparent macrophotography jewel sparkle abstract semiprecious mining resources cristal object gemology photo sparkling crystals white amethyst semi minerals natutral textures backgrounds selective focus