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

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_auctionLot 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

this piece offers classic Ridge warmth and colour play

Lot Title: Vibrant Rainbow Fire – Knobby Opal Rough – 7

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

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

New South WalesType: Knobby Seam & Fossil Potch (Rough)Body Tone: Light to dark potchColour Presence: None – zero visible play-of-colourComposition: Mix of seam fragments

the internal structure remains untested — a true gamble with colour flashing just enough to lure you in

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

Lot Title: Nice Sized Lightning Ridge Blue on Black Base Seam Opal Rough – 19

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

Description:This 6

this piece is perfect for cutters looking to work vibrant warm-toned material from Australia’s iconic opal fields

making it a promising piece for cutting or exploring