Solid Black Opal from Lightning Ridge, Australia.
Solid Crystal Opal from Lightning Ridge, Australia.
Solid Boulder Opal
Solid Boulder Opal from Queensland, Australia.
14K Lightning Ridge Black Opal Inlay RingÃÂÃÂ
Solid Black Opal
Solid Boulder Opal Loose Stone from Queensland, Australia.
Solid Black Opal Loose from Lightning Ridge, Australia.
Solid Boulder Opal Pendant