Lightning Ridge Untouched Knobby rough opal 15.00cts Some colour to chase 16x15x15mm Lot B4-A216 wk_end_auction the bars are thin and

the bars are thin and irregular

QLD – Boulder OpalDescription:Interesting Winton boulder opal rough showing a green-dominant stripe or vein of opal exposed across the surface

QLD – Boulder OpalDescription:Solid Winton boulder opal rough with a vibrant electric vein of green and blue fire running through the ironstone

Classic knobby shape

Lightning Ridge Untouched Knobby rough opal 15.00cts Some colour to chase 16x15x15mm Lot B4-A216 wk_end_auction the bars are thin andLightning Ridge Untouched Knobby Opal Rough 15. 00cts Lot: B4 A216Size: 16 x 15 x 15mmTotal Weight: 15. 00 caratsOrigin: Lightning Ridge, Australia This untouched knobby opal rough from Lightning Ridge holds some color waiting to be chased, making it an exciting gamble for lapidaries. With its natural formation and potential for hidden fire, this opal presents an excellent cutting opportunity. Natural & Untouched Some Color to Chase & Explore Knobby