This necklace has over 60- semi-precious faceted gems of aqua chalcedony, labradorite, prehnite and a rough cut deep purple amethyst center piece. The stone faceted cuts reflect beautifully in the sterling silver that runs through out the piece, which also has a sterling lobster clasp for a secure closure. Measures: 16 plus the 1 rough amethyst. It is meant to sit close to the neck.