Bright Gorgeous Multicolour opal formation rough 7.50cts Fires visible in bar and top skin to cut 17x15x9mm Lot B4-A653 wk_end_auction or gamble cut

or gamble cut

While there are bright sections

but the reward is real

50ct piece of Dark Base Seam opal rough from Lightning Ridge features bright blue colours visible on one side and a small zone of greens on the other side

Type: Light Base Opal Rough

Bright Gorgeous Multicolour opal formation rough 7.50cts Fires visible in bar and top skin to cut 17x15x9mm Lot B4-A653 wk_end_auction or gamble cutLot 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