bright green dominant Multifires 7.00cts Untouched knobby opal formation rough 20x12x7mm Carve or collect Lot B4-A652 wk_end_auction Grade B to C gamble

Grade B to C gamble

Lightning Ridge Clipped Crystal Knobby Opal Rough – 4

Professionally cut and ready to set

Good cutting potential

Ready to be explored and transformed into a stunning gemstone

bright green dominant Multifires 7.00cts Untouched knobby opal formation rough 20x12x7mm Carve or collect Lot B4-A652 wk_end_auction Grade B to C gambleLot Title: Lightning Ridge Knobby Opal Formation Rough 7. 00cts Bright Green Dominant Multifires Carve or Collect Grade B to CLot Number: B4 A652Details: 20x12x7 mm 7. 00cts Lightning Ridge Knobby Opal Formation RoughDescription: Untouched Lightning Ridge knobby opal rough, weighing 7. 00cts, showing bright green dominant multifires across the surface. Perfect for a carver or collector some natural risks and unknowns inside, but strong external