Clipped Dark Base knobby opal rough of Lighting Ridge 7.75cts blue colours showing through the skin 20x13x7mm Lot B4-A608 wk_auction com and make this rare

com and make this rare opal yours

this piece is perfect for cutters at any skill level

Type: Dark Base Crystal Opal Rough

00ct knobby split pair from Lightning Ridge shows promising blue colour zones across both pieces

Lot Title: Lightning Ridge Knobby Seam Fossil Potch – 450

Clipped Dark Base knobby opal rough of Lighting Ridge 7.75cts blue colours showing through the skin 20x13x7mm Lot B4-A608 wk_auction com and make this rareLot 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