Black/Crystal Knobby opal rub/rough 10.00cts Flashes of Blue fires in various stacked bars 19x12x8mm Lot B4-A255 Premium Get your bids in now

Get your bids in now for Lot B4-A271 on bid-4

40ct dark crystal knobby opal formation rough from Lightning Ridge offers stunning bright blues with endless potential for lapidary enthusiasts

Clean entry point and nice thickness give it flexibility for shaping

A promising gamble for those experienced in reading bars and navigating potch

Black/Crystal Knobby opal rub/rough 10.00cts Flashes of Blue fires in various stacked bars 19x12x8mm Lot B4-A255 Premium Get your bids in nowBlack Crystal Knobby Opal Rub Rough 10. 00cts Lightning Ridge Lot: B4 A255Size: 19 x 12 x 8mmTotal Weight: 10. 00 caratsOrigin: Lightning Ridge, Australia This black crystal knobby opal rub rough from Lightning Ridge features flashes of blue fire in various stacked bars, making it a promising piece for cutting or collecting. The unique mix of black and crystal base offers depth and contrast, enhancing the opals play of color. Natural & Untouched