Amazonite is a rare blue-green variety of microcline (a feldspar mineral) that is used as a semiprecious stone. Although its name is derived from the Amazon River, no deposits have been found there.Amazonite is believed to have many healing characteristics, including improving your skin, marriage, clarity of thought and social interaction. It is also credited with alleviating muscle spasms, stress and exhaustion. It is found mainly in the U.S.A., Madagascar, Namibia, Zimbabwe, Australia and Russia.