Gemmy crystal Lightning Ridge Dark base seam opal rough 11.00cts Bright Greens & blues visible through the top skin to expose & polish 22x18x5mm Lot B4-A654 Premium ❓ Gamble Grade D (Blind

❓ Gamble Grade D (Blind Gamble) – No visible colour

With its natural structure and crystal transparency

Type: Tumbled knobby opal rough

70cts – Lightning Ridge – Black Seam Opal RoughDescription:Bright Royal blue fires run through a nicely shaped flat bar on this 5

Gemmy crystal Lightning Ridge Dark base seam opal rough 11.00cts Bright Greens & blues visible through the top skin to expose & polish 22x18x5mm Lot B4-A654 Premium ❓ Gamble Grade D (BlindLot Title: Lightning Ridge Gemmy Crystal Dark Base Seam Opal Rough 11. 00cts Exposed Bar & Bright Fires Cutter's Grade Gamble A to BLot Number: B4 A654Details: 22x18x5 mm 11. 00cts Lightning Ridge Dark Base Seam Opal RoughDescription: Stunning Lightning Ridge gemmy crystal dark base seam opal rough, weighing 11. 00cts. A bright, exposed colour bar runs along one side, while vibrant green and blue fires pop through the top skin. The perfect combination