Genuine stone, sterling silver options: Amber, Apatite, Black Tourmaline, Kyanite, Labradorite, Larimar, Pyrite, Rose Quartz, Sunstone Also in all Birthstones- January - Garnet, February - Amethyst, March - Aquamarine, April - Herkimer Quartz, May - Emerald, June - Moonstone, July - Ruby, August - Peridot, September - Sapphire, October - Tourmaline, November - Citrine, December - Turquoise or Tanzanite Genuine stone, 14kt gold plated sterling silver options: Amber, Amethyst, Labradorite, Moonstone (Each stone is unique. Size and shape may vary slightly).