Sterling double dragonfly marcasite Pin / Brooch with blue topaz,amethyst and mother of pearl

This whimsical  vintage 1990s pin features two facing dragonflies set in sterling pin with genuine blue faceted topaz heart center.  Both dragonflies have a  genuine purple amethyst faceted eye and marcasites inset into their wings. The bottom of the pin has a beautiful mother of pearl stone , trimmed in more set  marcasite stones with a genuine hanging pearl. Signed 1990, Art co measures 2.5 inches by 2.65 inches