Lightning Ridge Black Seam opal rough 3.75cts Greens/blues to expose & polish 12x9x5mm Lot B4-A757 ToClear Type: Tumbled knobby opal rough

Type: Tumbled knobby opal rough

unknown depth/consistency – fun gamble with blue bar potential

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

com and bring these opals to life

this opal is ready for the next stage in the hands of a skilled lapidary

Lightning Ridge Black Seam opal rough 3.75cts Greens/blues to expose & polish 12x9x5mm Lot B4-A757 ToClear Type: Tumbled knobby opal roughLot 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