Opal, tanzanite & tourmaline ring in silverThis handmade ring features a rare crystal pipe opal from Australia that is complemented by two tanzanite and two green tourmaline gemstones that match the flashy colors in the opal. They are set in sterling and fine silver. This flashy crystal pipe opal from Australia is highly coveted and not easy to get your hands on. Mother Nature only created pipe opals in small localized areas, so it can take several years or decades before more of it is found