Multicolour Knobby opal rough 2.75cts Loaded with Green/Orange dominant fires 13x8x6mm Lot B4-A747 wk_auction A clearly visible blue bar

A clearly visible blue bar runs through the stone

Ideal for cutting and shaping into high-quality gemstones

Lot Title: Clipped Black Knobby Opal Rough – 8

this piece offers great shape and polish potential

20mm diameter x 10mm grinding width

Multicolour Knobby opal rough 2.75cts Loaded with Green/Orange dominant fires 13x8x6mm Lot B4-A747 wk_auction A clearly visible blue barLot Title#Grade AB Cutter for Professionals Multicolour Knobby Loaded with Green & Orange Fire Lot NumberB4 A747 DetailsWeight: 2. 75 ctSize: 13 x 8 x 6 mmOrigin: Lightning Ridge, AustraliaType: Knobby Opal RoughUse: Professional Cutting RoughColour: Multicolour green & orange dominant DescriptionPremium Lightning Ridge knobby rough packed with multicolour fire green and orange tones dominate the bar. This 2. 75ct piece is compact but full of promise,