Nice Black Boulder/Matrix Opal Cab/Oval 23cts Queensland Australia Blue/Green Fires

I have for sale a Nice Quality Black Matrix/Boulder Opal Cab from Queensland Australia. This one weighs 23cts and is 28x20x5mm,. It is Black Base with Fine patterns through the stone, around half of the Thin Veins Front/Back have Bright Greens/Blue Fires through them.,. Maybe a touch more,.  Great item, one of a kind, will make a Nice Unique pendant stone for someone,.,. Fully Polished both sides, Oval cut,.,. Thanks for looking,.,.