Pendant top: approximately 41mm Bracelet: approximately 9mm, inner diameter 15cm Serpentine has long been called the "traveler's stone" and was used as a talisman during travel and long-distance journeys. In addition to travel, it was also used as a stone to protect against the unseen and evil, and it seems that people always wore it when going out at night. It wasn't just the common people who valued serpentine as a talisman. The fact that many serpentine stones have been unearthed from ancient tombs shows that it was cherished by people regardless of their social status as an important protective stone.