Blue on Black knobby opal rough Pair 10.15cts Blue colours in both pieces Lightning Ridge Material sold as gamble 18x12x5mm & 14x12x4mm Lot B4-A703 wk_end_auction ⚠️ Gamble Grade A–B (Gamble)Strong

⚠️ Gamble Grade A–B (Gamble)Strong fire visible

00cts Potch & Bits of ColoursLot Number: B4-A384Weight: 240

Description:This 6

85ct Coober Pedy crystal seam opal rough features a stunning bar of green

this piece offers classic Ridge warmth and colour play

Blue on Black knobby opal rough Pair 10.15cts Blue colours in both pieces Lightning Ridge Material sold as gamble 18x12x5mm & 14x12x4mm Lot B4-A703 wk_end_auction ⚠️ Gamble Grade A–B (Gamble)StrongLot Title: Lightning Ridge Knobby Opal Rough Pair 10. 15cts Blue on Black Grade B to CLot Number: B4 A703Details: 18x12x5mm & 14x12x4mm 10. 15cts total Lightning Ridge Knobby Opal Rough PairDescription: Blue on black alert! This knobby opal rough pair from Lightning Ridge weighs a combined 10. 15cts. Both pieces show blue colours, but thickness and consistency are unknown sold as a cutters gamble with potential. Grade B to C colour showing with risks