Gorgeous Multicolour knobby opal formation rough 6.25cts Lightning Ridge to collect or carve / gamble 16x14x7mm Lot B4-A461 wk_end_auction Well-shaped for cutting with clear

Well-shaped for cutting with clear colour zones

Some colour zones visible or faintly showing

A clearly visible blue bar runs through the stone

it’s an excellent candidate for cutting and polishing into bright finished gems

With gorgeous and vibrant fires visible

Gorgeous Multicolour knobby opal formation rough 6.25cts Lightning Ridge to collect or carve / gamble 16x14x7mm Lot B4-A461 wk_end_auction Well-shaped for cutting with clearLot Title: Lightning Ridge Knobby Opal Formation Rough 6. 25cts Multicolour Gamble PieceLot Number: B4 A461 Details: Origin: Lightning Ridge, Australia Type: Knobby Opal Formation Rough Carat Weight: 6. 25cts Size: 16x14x7mm Features: Gorgeous multicolour play, potential for carving or collection Description: A beautiful 6. 25ct knobby opal formation rough from Lightning Ridge. Displays a range of multicolour flashes across its surface. While the