Vintage Beaded 2 Strand Real Stone Womens 18 in Necklace w/ Blown Glass Pendant

Very pretty sparkly necklace. Pendant is a rectangle shape 1.75 x 1.25". Looks like blown glass with swirls of fall tones of brown, blue and green. Backing is Blue. Two beaded strands 18". Glass Beads, Amethyst, and Quartz. Good condition. No branding. Clasp isn't 925.