Bright Gorgeous Multicolour opal formation rough 7.50cts Fires visible in bar and top skin to cut 17x15x9mm Lot B4-A653 wk_end_auction While there are bright sections

While there are bright sections

potch nodules

structure still unknown – moderate to high risk

Lot Title: Red-Dominant Fire – Winton Boulder Opal Rough – 4

but the reward is real

Bright Gorgeous Multicolour opal formation rough 7.50cts Fires visible in bar and top skin to cut 17x15x9mm Lot B4-A653 wk_end_auction While there are bright sectionsLot Title: Lightning Ridge Opal Formation Rough 7. 50cts Bright Multicolour Fires Grade A to B Cutters GambleLot Number: B4 A653Details: 17x15x9 mm 7. 50cts Lightning Ridge Opal Formation RoughDescription: Bright and gorgeous multicolour opal formation rough weighing 7. 50cts. Fires are visible in both the colour bar and through the top skin, showing a strong mix of colours ready to chase and shape. Solid face potential with skillful cutting. A Grade