Australian Black Opal with Amethyst Pendant

Australian black opal with amethyst pendant done in nickel free sterling silver. Opal is a natural gemstone of hydrated silica that has a dazzling, rainbow-like effect where different colors are displayed as the stone angles change. Not to be confused with Opalite which is glass or plastic imitation stone. Opal is the birthstone for October. Amethyst is a natural gemstone from Brazil featuring a beautiful deep purple and is the February birthstone.