Pipe Crystal / Wood Fossil (59)

Yowah & Koroit Boulder Opal (88)

Winton Boulder Opal Stones (160)

Boulder Opal is a type of unique rock found in Queensland, Australia. It is easily identifiable because it is a mixture of ironstone and opal either in a matrix or layered; the stones often have a more ‘Earthy’, ‘rocky’ look and feel about them. Read More

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          Showing 1–36 of 261 results

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          Best Of Yowah Split Boulder Opal

          $3,990.00 USD

          Cute 3D effect Boulder Opal

          $325.00 USD

          Deep Ocean Blue Boulder Opal

          $235.00 USD

          Rectangular Cut Boulder Opal

          $50.00 USD

          Beautiful Purple Boulder Opal

          $135.00 USD

          Lovely Colored Boulder Opal

          $325.00 USD

          Unique Striped Boulder Opal

          $85.00 USD

          Pretty Purple Boulder Opal

          $135.00 USD

          Pretty Color Bars Boulder Opal

          $295.00 USD

          Stunning Green and Purple Flash 3D Effect Boulder Opal Ringstone

          $325.00 USD

          Flashy Purple Boulder Opal

          $225.00 USD

          Large Rectangular Cut Boulder Opal

          $345.00 USD

          Pretty Teardrop Cut Boulder Opal

          $165.00 USD

          Large Blue Rectangle Cut Boulder Opal

          $335.00 USD

          Purple Triangular Shaped Bar Winton Boulder Opal

          $135.00 USD

          Blue Diamond Cut Boulder Opal Ringstone

          $75.00 USD

          Blue Oval Cut Boulder Opal for Large Ring or Pendant

          $135.00 USD

          Purple Flash Teardrop Boulder Opal

          $80.00 USD

          Blue and Green River Boulder Opal

          $325.00 USD

          Purple Rain Stunning Winton Boulder Opal

          $625.00 USD

          Blue and Pink Winton Boulder Opal

          $315.00 USD

          Stunning Colors Winton Boulder Opal ideal for Ring or Pendant

          $425.00 USD

          Rainbow Color Bar Winton Boulder Opal

          $235.00 USD

          Blue Ocean Winton Boulder Opal

          $195.00 USD

          Pretty Elegant Colored Winton Boulder Opal

          $165.00 USD

          Gorgeous Colors Winton Boulder Opal

          $925.00 USD

          Lovely Blue Winton Boulder Opal

          $89.00 USD

          Lovely Winton Opal Pendant

          $100.00 USD

          Purple Winton Opal Pendant

          $80.00 USD

          Well Polished Double Sided Yowah Opal Pendant

          $130.00 USD

          Lovely Boulder Opal Beach Pendant

          $130.00 USD

          Purple Flash Yowah Picture Stone Opal Pendant

          $130.00 USD

          Ocean Blue Boulder Opal Pendant

          $130.00 USD

          Elegant Yowah Picture Stone Boulder Opal Pendant

          $130.00 USD

          Pretty Rainbow Winton Boulder Opal Pendant

          $180.00 USD

          Spectacular Blue Winton Ocean Boulder Opal Pendant

          $680.00 USD