Gorgeous Purple + Yellow Ametrine Pendant Necklace, Gold Filled Chain + Rare Vintage Opal Glass This necklace is gorgeous and unique. Feminine with a touch of boho vintage glam. One of a kind. Pairs well with a teardrop cascade earring set or any of the purple collection pieces! Ametrine is a type of quartz that is a mixture of Amethyst and Citrine, both varieties of quartz crystal. Ametrine is a quartz crystal that helps to enhance mental and spiritual clarity. At the same time, they help to unite masculine and feminine energies. It has strong healing energy. Purple + Yellow Ametrine Large Oval Stone approx. Vintage Opal Glass 14 K Gold Filled Chain 18 Karat Gold Plated Toggle Clasp. Necklace measures approx. in total length. Falls to the center of the chest.