Emerald

“Emeralds have been linked with the Roman goddess of the forest, Diana(Artemis in Greek mythology),also considered the guardian of women and young girls and the patron of and the patron of childbirth. According to Dr Rowland, working in the seventeenth century, salts and tinctures of emerald “doth wonders in dysenteries and other fluxes, and is good in diseases of the heart and head, in palpitation, melan cholie, phrensie, syncope.”

Eastern physicians had an even longer list of things that emerald could alleviate.