Top Gem Red Black Opal 5.90ct
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
Black Opal from Coocoran Opal Fields, Lightning Ridge, NSW, Australia. GORGEOUS!!!
Harlequin Black Opal 4.22 Carat Stone Unset | FlashOpal
Dark Opal (Body Tone N5 to N7) 12 x 10 x 3mm 2.9 carats Auction #598757 Opal Auctions
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
18k white gold solid Australian Lightning Ridge Black Opal and Diamond Engagement Ring (13289) by justopal on Etsy
Black Opal / Lightning Ridge (NSW), Australia ❦ CRYSTALS ❦ semi precious stones ❦ Kristall ❦ Minerals ❦ Cristales ❦
Vintage Pendant by Archibald Knox
Ethiopian Welo Opals have beautiful patterns. One of the greatest finds in this last century.