These crystal necklaces can be made with either gold or silver wire. It can be made with Amethyst, Rose Quartz, or Aventurine. Rose Quartz: Stone of love, peace, comfort, and harmony. Enhances positive spiritual energy and opens the heart to all forms of love. Promotes joy, passion, desire, and motivation and dissolves negative influences. Aventurine: Stone of opportunity, renewal, prosperity, wealth, and chance. Promotes optimism and embracing change. Increases motivation, creativity, and perse