Lightning Ridge Black base Knobby opal rough split 15.00cts Bright Royal Blues in flat bars showing 360 to cut 24x17x7mm & 18x12x5mm Lot B4-A805 Premium

Lightning Ridge Black base Knobby opal rough split 15.00cts Bright Royal Blues in flat bars showing 360 to cut 24x17x7mm & 18x12x5mm Lot B4-A805 PremiumLot Title#Grade A Cutters Royal Blue Bar Knobby Split on Black Base (Lightning Ridge) Lot NumberB4 A805 DetailsWeight: 15. 00 ct (pair)Sizes: 24 x 17 x 7 mm & 18 x 12 x 5 mmOrigin: Lightning Ridge, AustraliaType: Black Base Knobby Opal Rough (Split Pair)Use: Cutting RoughColour: Bright royal blue DescriptionLightning Ridge black base knobby opal split showing bright royal blue fire in clean flat bars with 360 colour visibility. Both pieces are well

Dark base makes the colour pop

This preform is almost there — just needs the final shaping and polish to become a perfect ring stone

Multiple directions to chase

🔥 Cutter's Gamble Grade A to BVisible strong fires – low to moderate risk

This lower-grade lot is predominantly potch

AustraliaType: Amber / Jelly Knobby Opal RoughUse: Cutting / Carving / TestingColour: Some fire flashes present

30 caratsOrigin: Lightning Ridge

Coober Pedy Seam Opal Rough – 18

Type: Untouched Knobby Formation

Lightning Ridge Bright Opalised Wood Fossil Rough – 2

Perfect for cabbing or carving into a small high-grade gem

00ct Coober Pedy rough features a large