RED & blue Fire flashes ? Big sized Amber Knobby opal rough 65.00cts Lighting ridge 32x27x17mm Lot B4-A611 wk_end_auction AustraliaType: Dark Base Seam &

AustraliaType: Dark Base Seam & Knobby RoughUse: Cutting / Testing / PracticeColour: Potch with some colour zones

Features: Dark crystal opal with lots of bright blue tones

Approximately 255 carats total weight

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There’s definite cutting potential here

RED & blue Fire flashes ? Big sized Amber Knobby opal rough 65.00cts Lighting ridge 32x27x17mm Lot B4-A611 wk_end_auction AustraliaType: Dark Base Seam &Lot Title: Red & Blue Flash Amber Knobby Opal Rough 65. 00ctsLot Number: B4 A611Details: 32x27x17 mm Lightning Ridge Amber Knobby Opal RoughDescription: Big sized Lightning Ridge amber knobby opal rough weighing 65. 00cts. Shows flashes of red and blue fire through areas of the skin just enough to tempt a cutter into the chase. A bold lump of rough with mystery inside. Great shape and size, but fire is limited to flashes only at this stage. A classic