Gorgeous Multicolour knobby opal formation rough 6.25cts Lightning Ridge to collect or carve / gamble 16x14x7mm Lot B4-A461 wk_end_auction Some colour zones visible or

Some colour zones visible or faintly showing

A clearly visible blue bar runs through the stone

This 170-carat mix of knobby & seam potch with colors from Lightning Ridge is a fantastic gamble lot

Size: 15x10x5mm

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 Some colour zones visible orLot 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