Natural color, organic oval shape (approx. .75" long each) aquamarine beads strung on multi ply silk with sterling silver clasp. This strand is of very yummy and significant size beads, approximately 18" long. This is the sort of thing that can become a part of you, an all / any occasion necklace. Aquamarine is the traditional birthstone for March and was once believed to be the treasure of mermaids.