Antique Art Deco rock crystal graduated beaded 17.5” necklace sterling clasp

Excellent antique condition (1930s), shows minor wear. Necklace is constructed of all tested clear rock crystal faceted & flattened saucer beads and weighs 55.35 grams. Beads are hand knotted between and box clasp is sterling silver. Largest bead measures 16mm x 8mm and smallest 6mm x 3mm. Length is 17.5”. Tags: semiprecious semi precious gems gemstones rocks minerals quartz beads beaded beading 1920s 1930s