Large Dark Base Crystal knobby opal rough 33.00cts Lightning ridge Blues visible 360 to cut 28x25x10mm Lot B4-A583 Premium Grade B to C Rub

Grade B to C Rub to Finish — decent face already showing

20cts – Bright Vibrant Blues – Grade A to BLot Number: B4-A692Details: 16x12x7 mm – 7

Moderate-to-high risk with some reward potential

offering a fun gamble for lapidaries and collectors

00ct parcel of seam opal rough from Coober Pedy offers a mix of potch and small colour traces

Large Dark Base Crystal knobby opal rough 33.00cts Lightning ridge Blues visible 360 to cut 28x25x10mm Lot B4-A583 Premium Grade B to C RubLot Title: Large Dark Base Crystal Knobby Lightning Ridge Opal Rough 33. 00ctsLot Number: B4 A583Details: 28x25x10 mm Lightning Ridge Dark Base CrystalDescription: Big Lightning Ridge dark base crystal knobby opal rough with blue fire visible 360 around the stone. Strong presence and size, with good shape for slicing or block cutting. This one offers big potential for experienced cutters chasing quality in bulk full of promise, ready to work. Cutters