Bright thin Blue bar showing on this knobby opal rough 10.00cts Lightning Ridge 18x12x9mm Lot B4-A215 wk_end_auction Lot Number: B4-A340

Lot Number: B4-A340

Lightning Ridge Rub Rough Knobby Opal Formation – 4

Lot: B4-A121Sizes: Ranging from 16 x 10 x 2mm to 12 x 8 x 2mmTotal Weight: 10

⚠️ Cutters/Gamble Grade B – Well-defined bars and colour

The doublet measures 0

Bright thin Blue bar showing on this knobby opal rough 10.00cts Lightning Ridge 18x12x9mm Lot B4-A215 wk_end_auction Lot Number: B4-A340Bright Thin Blue Bar Knobby Opal Rough 10. 00cts Lightning Ridge Lot: B4 A215Size: 18 x 12 x 9mmTotal Weight: 10. 00 caratsOrigin: Lightning Ridge, Australia This knobby opal rough from Lightning Ridge features a bright thin blue bar showing, making it a promising piece for cutting or exploring. With its natural formation and blue fire waiting to be revealed, this opal offers great potential for lapidaries and collectors alike. Natural & Untouched