Big Dark Base Crystal knobby split Lighting Ridge 73.00cts Multi bars with fires flashes of Greens & Blues 23x17x16mm & 22x16x10mm Lot B4-A377 wk_auction Type: Knobby Opal Rub/Rough

Type: Knobby Opal Rub/Rough

but the bar itself looks workable with careful handling

| 🎲 Gamble Grade C–D (Gamble) | Some colour present

making it ideal for crafting bespoke jewellery pieces

Lightning Ridge is famous for its vibrant opals

Big Dark Base Crystal knobby split Lighting Ridge 73.00cts Multi bars with fires flashes of Greens & Blues 23x17x16mm & 22x16x10mm Lot B4-A377 wk_auction Type: Knobby Opal Rub/RoughLot Title: Big Dark Base Crystal Knobby Split Lightning Ridge Multi Bars with Green & Blue FireLot Number: B4 A377Weight: 73. 00 carats (total)Dimensions: Piece 1: 23 x 17 x 16 mm Piece 2: 22 x 16 x 10 mm Details: Origin: Lightning Ridge, New South Wales Type: Knobby Opal (Split Rough Pair) Body Tone: Dark crystal Play of Colour: Multiple colour bars with flashes of green and blue Structure: Knobby formation split to reveal internal layers Cutting