With varied shades, shapes and sizes, the small rocks of the Stack necklace really pop. Whether accessorizing a casual look in your favorite jeans or adding something different for your evening out, this necklace will compliment it all! The chain is oxidized sterling silver, a great compliment to the stones. Made with stones from the beaches of Lake Superior, every piece of Lakestone jewelry is as unique as you are. Smooth, lightweight basalt pebbles and small stones will absorb some of your own natural oils and deepen in color over time.