untouched Lightning Ridge seam opal formation rough 6.80cts Bright Vibrant zone of Green dominant fires poking through the skin 17x15x7mm Lot B4-A658 wk_end_auction Great for sorting

Great for sorting

Mostly potch with some bits of colours here and there — a real gamble parcel for beginners

🔥 Cutter’s Grade Gamble A to BVisible strong multicolour bar – low to moderate risk

Clean zones balanced with some host — a solid Grade A–B piece for confident cutters

untouched Lightning Ridge seam opal formation rough 6.80cts Bright Vibrant zone of Green dominant fires poking through the skin 17x15x7mm Lot B4-A658 wk_end_auction Great for sortingLot Title: Lightning Ridge Seam Opal Formation Rough 6. 80cts Bright Green Dominant Fires Grade B to C GambleLot Number: B4 A658Details: 17x15x7 mm 6. 80cts Lightning Ridge Seam Opal Formation RoughDescription: Untouched Lightning Ridge seam opal formation rough, weighing 6. 80cts. Bright vibrant zone of green dominant fires are poking through the top skin, hinting at a tempting internal bar. A true Grade B to C gamble promising colour hints