Rare crystal pipe opal ring in silverThis handmade ring features two rare crystal pipe opals from Australia set in sterling and fine silver. 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 in large quantities. This means that the supply of crystal pipe opals is extremely limited, yet demand for this beautiful stone