Green dominant fires on this Black/Dark Seam opal rough 10.15cts Lightning Ridge Material to cut 21x15x5mm Lot B4-A742 wk_auction With its natural structure and

With its natural structure and bright flashes

Seam & Fossil Potch – 475

With its solid structure and bold color throughout the seam

low yield likely

Green dominant fires on this Black/Dark Seam opal rough 10.15cts Lightning Ridge Material to cut 21x15x5mm Lot B4-A742 wk_auction With its natural structure andLot Title#Grade A Cutter Green Fire on Black Dark Seam Opal from Lightning Ridge Lot NumberB4 A742 DetailsWeight: 10. 15 ctSize: 21 x 15 x 5 mmOrigin: Lightning Ridge, AustraliaType: Black Dark Seam Opal RoughUse: Cutting RoughColour: Green dominant fire DescriptionLightning Ridge seam opal rough with dominant green fire across a black dark base. A clean face is showing with good structure for shaping a fine cut stone. The colour carries well across