Yellow/Green dominant fires on this Winton boulder opal rough 58.90cts Cut & polish a nice sized boulder opal Cab from this 24x21x10mm Lot B4-A641 wk_auction Big Knobby Opal Rub/Rough –

Big Knobby Opal Rub/Rough – Lightning Ridge – 31

this piece holds great potential for inlay work or as a collector’s specimen

00ct chunk of Coober Pedy dark base seam opal is an extraordinary find

or carvers wanting to study Ridge structure

Yellow/Green dominant fires on this Winton boulder opal rough 58.90cts Cut & polish a nice sized boulder opal Cab from this 24x21x10mm Lot B4-A641 wk_auction Big Knobby Opal Rub/Rough –Lot Title: Winton Boulder Opal Rough 58. 90cts Yellow Green Dominant Fires Cutters GambleLot Number: B4 A641Details: 24x21x10 mm Winton Boulder Opal RoughDescription: Solid Winton boulder opal rough, weighing 58. 90cts, with yellow and green dominant fires visible across the surface. A classic cutters gamble colour is showing, but careful shaping will be required to unlock its full potential. Perfect size to cut a large boulder opal cabochon with