Bead necklaces single 3 strand 80's pastel grey pint mint green stone blue faceted lot of 3

This lot has 3 beaded long strand necklaces. The 3 strand necklace has is possibly vintage 1980’s. It has light grey touch of swirl round beads and pastel pink and mint green beads. The pink and green beads have weight and seem to be real stone chip beads. Not sure if it is semi-precious colored stone chip beads. The three strands are entwined, has a round clasp and a length of 31” The mint green necklace has faceted round clear and mint green beads, gold tone spacers and a delicate Filagree pinch clasp. It is 48” length and the beads are on a string not extremely taught, there is 0.5cm of string of space if you look close. The blue necklace has acrylic round, bicone and tri beads with silver tone spacer beads. The length is 28” and it has no clasp.