Vibrant Bright Blues on this Black/Dark Knobby opal rough 4.35cts Lighting Ridge Material to cut 15x11x5mm Lot B4-A348 wk_end_auction or showcasing as a collector’s

or showcasing as a collector’s item

Lot Number: B4-A290

Dimensions: 12x7x5mm

50ctsLot Number: B4-A545Details: 26x12x7 mm – Winton

Size: 14x9x5mm

Vibrant Bright Blues on this Black/Dark Knobby opal rough 4.35cts Lighting Ridge Material to cut 15x11x5mm Lot B4-A348 wk_end_auction or showcasing as a collector’sLot Title: Lightning Ridge Black Dark Knobby Opal Rough 4. 35cts Vibrant Bright Blues Lot Number: B4 A348 Details: Origin: Lightning Ridge, Australia Type: Knobby Opal Rough Carat Weight: 4. 35cts Size: 15x11x5mm Features: Vibrant, bright blue colour play on black dark base Well shaped rough ready for cutting Compact size with strong colour expression Description: A 4. 35ct gem quality knobby opal rough from Lightning Ridge, featuring vivid bright