Clipped Dark Base knobby opal rough of Lighting Ridge 7.75cts blue colours showing through the skin 20x13x7mm Lot B4-A608 wk_auction 00ct knobby split pair from

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

This Coober Pedy light base seam opal rough parcel contains potch with bits of colour

Type: Dark Base Crystal Opal Rough

com and make this rare opal yours

Clipped Dark Base knobby opal rough of Lighting Ridge 7.75cts blue colours showing through the skin 20x13x7mm Lot B4-A608 wk_auction 00ct knobby split pair fromLot 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