Lightning Ridge Knobby opal formation rough 27.00cts Bits of BLue colours 22x16x15mm Lot B4-A181 wk_end_auction There are sand and clay

There are sand and clay inclusions present that will need to be worked around during cutting

and vivid blues

and fossil opal in potch and colour combinations

Type: Bright Rough Opals

Lot Title: Lightning Ridge Dark Base Knobby Opal Rough Split Pair – 41

Lightning Ridge Knobby opal formation rough 27.00cts Bits of BLue colours 22x16x15mm Lot B4-A181 wk_end_auction There are sand and clayLightning Ridge Knobby Opal Formation Rough 27. 00cts Lot: B4 A181Size: 22 x 16 x 15mmWeight: 27. 00 caratsOrigin: Lightning Ridge, Australia This knobby opal formation rough from Lightning Ridge features bits of blue color, making it an intriguing gamble stone for lapidaries and collectors. With its natural formation and potential hidden fire, this opal presents an exciting opportunity for exploration and cutting. Natural & Untouched Some Blue Fire