Inspired by the shape of a traditional fu dai ( ) and carved from deep green chalcedony, this pendant is all about quiet luck. Strung on a delicate gold-plated 925 sterling silver chain, it s a modern-day good luck charm-clean, meaningful, and easy to wear daily.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.