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 Type: Rough opal (dark base

Type: Rough opal (dark base pair)

40cts with Bright Blue Colours to Cut & Polish

Grade B — visible colour with moderate risk

Its dimensions of 18x10x5mm make it perfect for lapidary enthusiasts looking to create bespoke gemstones or jewellery

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 Type: Rough opal (dark baseLot 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.