Sterling Silver Phosphosiderite, Amethyst, and Rainbow Moonstone Necklace #2 measures approximately 20" (508mm) in length. The Phosphosiderite focal bead measures aproximately 1 1/8" x 3/4" (28.6mm x 19mm), and the Amethyst and Rainbow Moonstone beads measure approximately 2mm. This beautiful necklace is designed and made by Sweet Earth Crystals.