Stunning Pattern appearing on this Tumbled Knobby opal rough 14.70cts Lightning Ridge M.Fires 18x16x10mm Lot B4-A352 ToClear Grade Key (Gamble Grade System):🎲

Grade Key (Gamble Grade System):🎲 A+ – Clean visible bars or faces with excellent potential for high-grade gems🔥 A – Visible colour with great cutting promise

💚💙 Natural & Untouched💚💙 Green & Blue Fire in a Distinct Band💚💙 Authentic Australian Opal – Safe in Water

5mm make it perfect for creating bespoke jewellery or adding to an opal collection

Measuring 35x28x9mm

Great little gamble piece for cutters or collectors

Stunning Pattern appearing on this Tumbled Knobby opal rough 14.70cts Lightning Ridge M.Fires 18x16x10mm Lot B4-A352 ToClear Grade Key (Gamble Grade System):🎲Lot Title: Lightning Ridge Tumbled Knobby Opal Rough 14. 70cts with Stunning Pattern & Multifires Lot Number: B4 A352 Details: Origin: Lightning Ridge, Australia Type: Tumbled Knobby Opal Rough Carat Weight: 14. 70cts Size: 18x16x10mm Features: Eye catching pattern beginning to appear Displays beautiful multifires Nicely tumbled for easy viewing and shaping Great potential for cutting or display Description: A 14. 70ct tumbled knobby rough opal from