Lightning Ridge Grey base seam opal rough 12.50cts Blue bar from front to back to expose & polish 25x12x8mm Lot B4-A755 wk_auction Thin profile but minimal gamble

Thin profile but minimal gamble — a perfect piece for precision shaping with excellent visual return

Lot Number: B4-A340

highly visible throughout — a classic Ridge piece for those ready to shape and finish into something special

consistent bars with clear potential for cutting and polishing into a stunning finished piece

🛠️ Cutter Grade A to BFace and fire visible – low to medium risk

Lightning Ridge Grey base seam opal rough 12.50cts Blue bar from front to back to expose & polish 25x12x8mm Lot B4-A755 wk_auction Thin profile but minimal gambleLot Title#Grade BC Cutters Gamble Blue Bar Seam Opal Rough on Grey Base (Lightning Ridge) Lot NumberB4 A755 DetailsWeight: 12. 50 ctSize: 25 x 12 x 8 mmOrigin: Lightning Ridge, AustraliaType: Grey Base Seam Opal RoughUse: Cutting RoughColour: Blue bar DescriptionLightning Ridge seam opal rough with a blue bar running front to back through a grey base. The colour is clearly present, but the depth and consistency are uncertain, making this a classic