Jacinth can be blue, reddish-orange or violet, and today we call it zircon. The Jacinth referred to in Revelation was most likely a blue-violet stone, since the word Jacinth is derived from the Latin word, hyacinthus. In the 11th century, this stone was used to protect the wearer from injury. During the Middle Ages, people believed these stones brought wealth, honor and wisdom. It has been said that Jacinth fosters spirituality and aids you during prayer.Violet Jacinth is best known for its power to bring money, while blue Jacinth is an emotional healer. It is said to heal many physical ailments including asthma, allergies, respiratory problems and liver issues.