Vintage Chico's statement necklace with opalescence pendant signed

Vintage Chico's statement piece. This is a rare find. The necklace reflects light and changes color like an opal. Looks like a cluster of stars. The necklace shows signs of wear, but in good vintage condition. Please examine photos. Gold tone and multi color beads. Purple, Blue, turquoise, opal Adjustable necklace from 16" to 22" - - Pendant measures 2.5" in length x 2" wide