This is a small Lightning Ridge semi black opal with a low dome and small flashes of many different colors but predominantly red. Its size and shape are perfect for bezel setting into a smaller ring.
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Semi Black Opal
Video Watch on Youtube Country Of Origin Australia Region Lightning Ridge Carat Size .5 Color Red, Green, Multi Dome Low Brightness B2-B3 Pattern Small Flashfire Body Tone N6 Hardness 5.5-6.5 Measurement 5.83mm/4.37mm/2.86mm Calibrated Yes it will fit a #3 Oval Inclusions No Treatments No Shape Oval, Cabochon