This incredible German Art Deco beaded necklace is comprised of rose quartz and blue chalcedony beads and features a sterling and marcasite statement clasp/pendant.  The length of this choker style necklace is 15 inches, the largest rose quartz square is 16mm wide and the clasp is 37mm at the base.  This piece is in great antique condition with internal fissures to the rose quartz and some overall surface wear.  The clasp is marked as shown.