Original one of a kind front closing black serpentine, barrel quartz, crystal, necklace with removable barrel quartz pendant. Sterling silver spacers and findings. Length of bead strand is 20.5 inches Pendant, including wire closure, is 2.75 inches. Pendant is 1 inch x 13/16 inches in diameter (26mm x 21mm). Faceted matte black serpentine beads average .5 x 5/8 inches (15 x12 mm). AB rondelles separate the front 5.5 inches of the serpentine beads. Black glass beads separate the serpentine beads that go around the neck.