Lightning Ridge Black Seam opal rough 3.75cts Greens/blues to expose & polish 12x9x5mm Lot B4-A757 ToClear unknown depth/consistency – fun gamble

unknown depth/consistency – fun gamble with blue bar potential

Each piece offers cutting potential with minimal waste and strong visual impact

these opals offer a great opportunity for lapidaries looking to explore and work with unique formations

This 35ct mixed lot includes knobby chips

This thick seam opal rough from Coober Pedy is loaded with blue fire

Lightning Ridge Black Seam opal rough 3.75cts Greens/blues to expose & polish 12x9x5mm Lot B4-A757 ToClear unknown depth/consistency – fun gambleLot Title#Grade B Cutters Gamble Green Blue Fire Black Seam Opal Rough (Lightning Ridge) Lot NumberB4 A757 DetailsWeight: 3. 75 ctSize: 12 x 9 x 5 mmOrigin: Lightning Ridge, AustraliaType: Black Seam Opal RoughUse: Cutting RoughColour: Green & blue DescriptionLightning Ridge black seam opal rough showing green and blue fire with potential to expose a cuttable face. The bar is promising but not fully revealed, offering a moderate risk gamble with