Black Opal a "knobbie"?
Magnificent example of Good quality Andamooka Matrix Opal Fantastic patterns and play of colour unique to Andamooka Matrix Opal. Shaped and polished piece.
Black Opal - Australia
World-Class Gem-Quality Australian Black Opal—"The Stardust Opal". T-Bones Mine, Corcoran, New South Wales, Australia
Koroit is located approximately 1000 kilometres from the east coast of Australia, right in the heart of Outback Queensland. The opals from here are unlike opal anywhere else in the world.
Black Harlequin Opal “The Cathedral Window” - Lightning Ridge, Australia More
Lightning Ridge Black Opal. It gets its name from a real Australian town in New South Wales and is one of the rarest kinds of opal on the planet.
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opals australia | UNIQUE OPALS - Australian Black Opals and Opal Jewelry
Black opal from Lightning Ridge, Australia. I would love to make a pendant necklace with this.
Opal | Lightning Ridge Black Doublet Opal 11 x 9 mm - D035
Black opal of 29.83 carats from Lightning Ridge. New South Wales, Australia | Bonhams, Los Angeles
Black Opal is Australia’s national gemstone, and black opal is the rarest and most valuable of its kind
Black Opal // I really like opals, and I'll be the first to admit, I know a lot more about them today, than I did the previous month. I had no idea the varieties available from all points geographically. I need to find more Ethiopian specimens.