bright green dominant Multifires 7.00cts Untouched knobby opal formation rough 20x12x7mm Carve or collect Lot B4-A652 wk_end_auction Good cutting potential

Good cutting potential

A great gamble for cutters with experience navigating host material

With a blend of potch and potential flashes of color

Type: Seam Opal Rough – Grey Base

Lightning Ridge Clipped Crystal Knobby Opal Rough – 4

bright green dominant Multifires 7.00cts Untouched knobby opal formation rough 20x12x7mm Carve or collect Lot B4-A652 wk_end_auction Good cutting potentialLot 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