QUALITY BLACK OPAL STONE -N2 - 3.70 CTS [s1496 ] - This is a natural stone mined in Lightning ridge-the home of black opal. It is well polished and showing good fire of BLUE GREEN ORANGE RED - weight 3.70 cts app - size 15 x 10 x 3 mm app

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Dark Opal (Body Tone N5 to N7) 12 x 10 x 3mm 2.9 carats Auction #598757 Opal Auctions

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Australian 'black' Opal as naturally formed in sandwich layers in the rock and occasionally larger pieces are found that are large enough to become awesome precious jewels

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18k white gold solid Australian Lightning Ridge Black Opal and Diamond Engagement Ring (13289) by justopal on Etsy

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Black Opal / Lightning Ridge (NSW), Australia ❦ CRYSTALS ❦ semi precious stones ❦ Kristall ❦ Minerals ❦ Cristales ❦

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