This Vintage Signed Binder Brothers Art Deco Faceted Rock Crystal Quartz Glass Bead Necklace features a sterling silver chain and clasp.  The necklace is 15 inches in length. It is adorned with sparkling, quartz rock crystal glass beads, typical of the Art Deco era. The necklace tested positive for quartz on a gem tester.   The vintage piece is original and exudes a classic Art Deco style, making it a unique and elegant addition to any vintage jewelry collection.  Please let me know if you have any questions.  Happy Shopping!