big sized Blue on black opal rub 19.50cts Lightning ridge Bright & full of fires 27x20x6mm Lot B4-A811 wk_auction 25cts Seam Opal Formation with

25cts Seam Opal Formation with Stunning Fires

structure unknown – high to full risk

Lot Title#Grade A Cutter – Bright Green-Dominant Multi-Fire Seam Opal Rough (Lightning Ridge)

There is moderate risk involved due to its shape and inclusions

big sized Blue on black opal rub 19.50cts Lightning ridge Bright & full of fires 27x20x6mm Lot B4-A811 wk_auction 25cts Seam Opal Formation withLot Title#Grade A Rub Big Blue on Black Opal Rub Full of Fire (Lightning Ridge) Lot NumberB4 A811 DetailsWeight: 19. 50 ctSize: 27 x 20 x 6 mmOrigin: Lightning Ridge, AustraliaType: Black Base Opal RubUse: Cutting FinishingColour: Bright blue fire DescriptionBig sized Lightning Ridge opal rub showing bright blue fire over a rich black base. This 19. 50ct piece is full of life and nearly ready to go ideal for a strong face up finish with bold colour.