Knobby opal formation rough of Lighting Ridge 23.00cts Bright Blues in bar visible 360 but clay/sand host to work around 25x14x13mm Lot B4-A580 wk_end_auction Lot Number: B4-A059

Lot Number: B4-A059

A Grade A to B Cutter's Gamble — low to moderate risk

South AustraliaType: Crystal Seam Opal (Rough)Body Tone: Light base crystalPlay-of-Colour: Pinfire flashes of blue and greenForm: Stacked bars with potential colour exposureUse: Cutting

Defined blue bar showing through grey base

With its generous size and natural formation

Knobby opal formation rough of Lighting Ridge 23.00cts Bright Blues in bar visible 360 but clay/sand host to work around 25x14x13mm Lot B4-A580 wk_end_auction Lot Number: B4-A059Lot Title: Blue Bar 360 Lightning Ridge Knobby Opal Rough 23. 00ctsLot Number: B4 A580Details: 25x14x13 mm Lightning Ridge Knobby FormationDescription: Chunky knobby opal rough from Lightning Ridge showing bright blue colour in the bar, visible 360 around the piece. The bar wraps nicely, offering strong cutting potential but theres some clay sand host that needs to be worked around. A great gamble for cutters with experience navigating host material.