Dark Base knobby opal rough 8.50cts showing some blues colours to chase 18x12x7mm Lot B4-A248 wk_end_auction Perfect size and shape for

Perfect size and shape for small cutters

and ready for setting in fine jewellery

Description:This 29

Oranges and yellows with good potential for cutting

It’s a fantastic lot for those looking to cut opal with clear colour bars

Dark Base knobby opal rough 8.50cts showing some blues colours to chase 18x12x7mm Lot B4-A248 wk_end_auction Perfect size and shape forDark Base Knobby Opal Rough 8. 50cts Lightning Ridge Lot: B4 A248Size: 18 x 12 x 7mmTotal Weight: 8. 50 caratsOrigin: Lightning Ridge, Australia This dark base knobby opal rough from Lightning Ridge is showing some blue colors ready to be chased, making it a great piece for cutting or exploring. With its deep base tone providing excellent contrast, this opal holds exciting potential for lapidaries looking for hidden fire. Natural & Untouched Blues