Amethyst Crystal Bracelet. Amethyst, known as the “stone that heals”, is a semi-precious stone which has been known since ancient times to contain mystical properties of healing and spirituality. Amethyst is most well known for its healing effects. It is said to have the ability to rid the body of ailments of the mind, such as anxiety, stress or depression. These diseases are often the root cause of other problems such as insomnia or uncontrollable anger. These disorders often affect ones relationships with those around them, and so the use of Amethyst will also prove to improve personal connections and networking.