HUGE Monster 345.00cts Big Massive Chunk of Coober Pedy Seam with Crystal bars some blue fires 82x39x27mm Specimen or gamble !!!!Bid-4.com Gamble Auction Details to come Lot B4-A446 wk_end_auction Grade B — visible colour

Grade B — visible colour with moderate risk

Lot Number: B4-A345

Natural formation with excellent polish potential

this opal is ready for the next stage in the hands of a skilled lapidary

Type: Clipped Black Knobby Opal Rough

HUGE Monster 345.00cts Big Massive Chunk of Coober Pedy Seam with Crystal bars some blue fires 82x39x27mm Specimen or gamble !!!!Bid-4.com Gamble Auction Details to come Lot B4-A446 wk_end_auction Grade B — visible colourLot Title: Huge Monster Coober Pedy Seam Opal Rough 345cts with Crystal Bars & Blue Fires Lot Number: B4 A446 Details: Origin: Coober Pedy, AustraliaType: Seam Opal RoughCarat Weight: 345. 00ctsSize: 82 x 39 x 27 mmFeatures: Massive chunk of seam opal rough with crystal bars and visible blue fires. Suitable as a large specimen or for cutting and exploring. Description: A truly huge specimen of Coober Pedy seam opal rough weighing a massive 345 carats.