Black Opal Shark Charm in solid 9ct gold: The Great Black SharkWHOA just look at the FIRE on this BLACK Opal Shark charm. I call her: the GREAT BLACK SHARK opal isnt she charming? Did you know that black opals are the RAREST of all opals? All the black opals in the world come form a small little Australian outback town called Lightning Ridge in New South Wales. When you see the colour RED on a Black stone, this is especially rare and valuable Set in a handcrafted solid 9ct yellow gold bezel setting. Have you ever