Blues bars to chase & explore 15.75cts Knobby split pair of Lightning Ridge 19x13x9mm & 19x12x8mm Lot B4-A598 wk_end_auction 40ct Coober Pedy opal doublet

40ct Coober Pedy opal doublet features a gem-quality crystal opal expertly mounted on a boulder backing

Type: Amber Knobby Opal Rub/Rough

Carat Weight: 27

but consistency and depth still carry moderate to high risk

offering an incredible opportunity for cutting and polishing

Blues bars to chase & explore 15.75cts Knobby split pair of Lightning Ridge 19x13x9mm & 19x12x8mm Lot B4-A598 wk_end_auction 40ct Coober Pedy opal doubletLot Title: Split Knobby Pair Blue Bar Lightning Ridge Rough 15. 75ctsLot Number: B4 A598Details: 19x13x9 mm & 19x12x8 mm Lightning Ridge Knobby Split PairDescription: Matched split pair of Lightning Ridge knobby opal rough totalling 15. 75cts. Both pieces show blue bars ready to chase, with potential running through the centre. Good shape and structure this pair gives a nice window into whats going on inside. A solid gamble for cutters wanting to