This wire wrapped necklace is made with a beautiful mix of amethyst beads both light and dark purple and some white. This silver wire will not tarnish. This is necklace is 15.5 inches long + a 3 inch long extension chain, making the total length of the necklace 18.5 inches long. The extension chain is sterling silver and the lobster claw clasp is hypoallergenic stainless steel.