Blue on Black Knobby opal rub/rough 8.70cts Lightning Ridge Blues some work then polish 16x12x8mm Lot B4-A716 wk_end_auction 00cts – Lightning Ridge –

00cts – Lightning Ridge – Mixed FormationDescription:Mixed parcel of knobby

perfect for collectors or lapidary projects

The knobby pieces range from 20mm to 10mm

this rough offers great potential for those looking for an opal with visible colours to work with

Blue on Black Knobby opal rub/rough 8.70cts Lightning Ridge Blues some work then polish 16x12x8mm Lot B4-A716 wk_end_auction 00cts – Lightning Ridge –Lot Title: Lightning Ridge Knobby Opal Rub Rough 8. 70cts Blue on Black Grade A to B CutterLot Number: B4 A716Details: 16x12x8 mm 8. 70cts Lightning Ridge Knobby Opal Rub RoughDescription: Blue on Black knobby opal rub rough weighing 8. 70cts with bold blue fires already showing. This piece has had the initial prep work done just needs shaping, refining, and a final polish. Ideal for a cutter looking to finish off a classy stone with that classic