the pinkish beads are only "coral" in their colour, of course.
they do look like glass, and one has an extra hole that suggests the bead has a "T-shaped" perforation, so would have likely come from a bracelet or strand of prayer beads.

your irregular serpentine beads have a typical very charming silver filigree box clasp and the necklace is knotted altogether in the manner of many necklaces exported in the 1980s...