Exceptional Amethyst bead necklace in a rainbow of colours from the palest green through to purple

Art Deco Necklace Of five different Colours of Amethyst Spheres, 12mm dia. with Silver clasp. The multiple colours include Dark Purple, Pale green, Rose and lighter Purple. Being natural stone, some spheres have natural “grain” and/or inclusions that add to the delicate appearance.  All in perfect condition and “loose” strung so the necklace drapes naturally to a perfect curve with no “kinks” when worn. Dimensions approx.: 46cm long, Speres 12mm dia.; Clasp 10mm dia..  Europe. Circa 1940’s