A little coastal energy, a lot of cool-girl charm.andnbspThis hand-carved green chalcedony shell is set in gold-plated sterling silver and hangs from a sleek clip chain that catches the light just right. It s that perfect balance of playful and polished.Natural chalcedony. Made by handwork of carving and polishing. Because of the gemstone s natural characteristics, each piece may vary slightly in colors and textures.