Bloodstone Cameo with Saint George, 1000-1100. Bearing the image of Saint George, one of the Byzantine Empire?s most popular saints, this cameo served as a powerful devotional and protective device. Close physical contact with a holy image was believed to enhance its effectiveness, creating a strong bond between the worshipper and the devotional object. Originally worn around the neck, this cameo was easily kissed and touched in moments of distress or crisis. Bloodstone was also believed to carry magical medicinal powers to stop hemorrhages and increase blood circulation.