Coober Pedy White base Seam opal rough 8.50cts Yellow Blue fire flashes to explore 2x16x6mm Lot B4-A329 Premium 25ct dark base seam opal

25ct dark base seam opal from Lightning Ridge is a top-quality cutter's dream

Type: Knobby/seam opal rough

This knobby opal rub/rough from Lightning Ridge features a striking band of green and blue fire

Type: Dark Opal Polished Gemstone

Coober Pedy White base Seam opal rough 8.50cts Yellow Blue fire flashes to explore 2x16x6mm Lot B4-A329 Premium 25ct dark base seam opalLot Title: Coober Pedy White Base Seam Opal Rough 8. 50cts with Yellow & Blue Fire Flashes to Explore Lot Number: B4 A329 Details: Origin: Coober Pedy, Australia Type: White Base Seam Opal Rough Carat Weight: 8. 50cts Size: 2x16x6mm Features: Clean white base with visible flashes of yellow and blue Elongated shape with colour zones to chase Suitable for exploring, Cutting or carving Description: This 8. 50ct white base seam opal rough from Coober Pedy