Broad zone of Royal Blues 8.75cts Rub Rough Lightning Ridge Knobby opal 18x12x7mm Lot B4-A076 wk_auction but still cloaked in mystery

but still cloaked in mystery — could be a winner or a learning curve

Features: Potch with flashes of colour to explore

⚠️ Gamble Grade B (Gamble)Colour visible

hinting at a tempting internal bar

hinting at the stunning potential within

Broad zone of Royal Blues 8.75cts Rub Rough Lightning Ridge Knobby opal 18x12x7mm Lot B4-A076 wk_auction but still cloaked in mysteryLot Title: Broad Zone of Royal Blues 8. 75cts Rub Rough Lightning Ridge Knobby OpalLot Number: B4 A076Weight: 8. 75 caratsDimensions: 18 x 12 x 7 mm Details: Origin: Lightning Ridge, New South WalesType: Knobby Opal (Rub Rough)Body Tone: Dark basePlay of Colour: Broad royal blue fireForm: Pre shaped rubUse: Ready to cut or minor polish finishing Description: This 8. 75ct Lightning Ridge knobby opal rub presents a wide, clean zone of royal blue fire on