Black/Crystal Knobby opal rub/rough 10.00cts Flashes of Blue fires in various stacked bars 19x12x8mm Lot B4-A255 Premium 40ct dark crystal knobby opal

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

00cts – Lightning Ridge – Seam Opal RoughDescription:Small but loaded

Clean entry point and nice thickness give it flexibility for shaping

Coober Pedy (Sold as Gamble)Lot Number: B4-A420Weight: 20

Description:A 2

Black/Crystal Knobby opal rub/rough 10.00cts Flashes of Blue fires in various stacked bars 19x12x8mm Lot B4-A255 Premium 40ct dark crystal knobby opalBlack 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