Heliotropic Bloodstone

Heliotropic bloodstone was called "stone of Babylon" by Albertus Magnus and he referred to several magical properties, which were attributed to it from Late Antiquity. Pliny the Elder (1st century) mentioned first that the magicians used it as a stone of invisibility.  Damigeron (4th century) wrote about its property to make rain, solar eclipse and its special virtue in divination and preserving health and youth. The stone had the ability to slow bleeding and wore it for this reason. In India it is held that one can staunch the bleeding by placing upon wounds and injuries after dipping it in cold water, which may have a scientific basis in the fact that iron oxide, contained in the stone, is an effective astringent. The Gnostics wore the stone as an amulet for longevity, for wealth and courage, to strengthen the stomach, and to dispel melancholy. In the Middle Ages it was considered useful for animal husbandry. The ancient Greeks and Romans wore the stone to bring renown and favor, to