Peruvian turquoise is actually chrysocolla, a semiprecious gemstone. Chrysocolla was valued in jewelry by the Incas, Aztecs and other ancient cultures. Peruvian turquoise adorned the ceremonial dress of early Incas. Alpaca metal, an alloy of copper, zinc and nickel, is silver-colored and tarnish resistant. Peruvian turquoise, alpaca metal Assorted shades; no two stones are alike 1L inch, adjustable size Pictured with our Choose Your Mood Ring and Sea Glass Ombre Candle Made in Peru