Small Black knobby opal rough of Lightning Ridge 4.00cts Bright Green dominant fires in thin bar to chase & cut 15x12x5mm Lot B4-A462 Premium A solid gamble lot with

A solid gamble lot with mystery potential

Jar not included

Natural dark crystal base enhances colour play

Discover the potential of Coober Pedy’s renowned opals with this 230ct parcel of seam opal rough

Type: Crystal Opal Formation Rough

Small Black knobby opal rough of Lightning Ridge 4.00cts Bright Green dominant fires in thin bar to chase & cut 15x12x5mm Lot B4-A462 Premium A solid gamble lot withLot Title: Small Black Knobby Opal Rough 4. 00cts Bright Green FiresLot Number: B4 A462 Details: Origin: Lightning Ridge, Australia Type: Black Knobby Opal Rough Carat Weight: 4. 00cts Size: 15x12x5mm Features: Bright green dominant fires in a thin bar Description: This small but striking 4. 00ct black base knobby opal rough from Lightning Ridge shows a bright green colour bar ready to be chased. While compact in size, the quality of fire and contrast