Turquoise is a mineral, a phosphate mineral containing many trace elements. Wearing it can promote cell growth and enhance immunity. Turquoise can be used in medicine to remove wind and dampness, dissolve blood stasis, clear heat and detoxification, reduce inflammation and blood pressure, and is especially effective for respiratory problems, such as lung diseases. It is effective in treating ulcers, heartache, and liver diseases. Turquoise can also be used to treat eye diseases, mainly for radiation. Turquoise has very little use as a medicine, but has great promise as a decorative item.