Clipped Dark Base knobby opal rough of Lighting Ridge 7.75cts blue colours showing through the skin 20x13x7mm Lot B4-A608 wk_auction Lot Title: Lightning Ridge Knobby

Lot Title: Lightning Ridge Knobby Seam Fossil Potch – 450

this piece is perfect for lapidaries

Lot Title: Lightning Ridge Boulder Opal Rough Parcel – 325

With two nicely sized halves

Clipped Dark Base knobby opal rough of Lighting Ridge 7.75cts blue colours showing through the skin 20x13x7mm Lot B4-A608 wk_auction Lot Title: Lightning Ridge KnobbyLot Title: Clipped Dark Base Knobby Lightning Ridge Rough 7. 75ctsLot Number: B4 A608Details: 20x13x7 mm Lightning Ridge Dark Base Knobby Opal RoughDescription: Clipped Lightning Ridge knobby opal rough weighing 7. 75cts. Blue colour is showing through the skin, giving a tempting hint of what may lie beneath. The piece has been lightly trimmed but not fully explored a classic gamble stone for cutters who know how to follow the signs. Gamble Grade C