bright green dominant Multifires 7.00cts Untouched knobby opal formation rough 20x12x7mm Carve or collect Lot B4-A652 wk_end_auction Ready to be explored and

Ready to be explored and transformed into a stunning gemstone

Grade B to C gamble

With a blend of potch and potential flashes of color

Good cutting potential

Professionally cut and ready to set

bright green dominant Multifires 7.00cts Untouched knobby opal formation rough 20x12x7mm Carve or collect Lot B4-A652 wk_end_auction Ready to be explored andLot 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