Australian Solid Black OpalSolid Black Opal from Lightning Ridge Opal Type : Solid Australian Black Opal Carat Weight : 0. 60 ct Size : 4. 58 mm x 9. 00 mm approx Thickness : 2. 39 mm Color : Green Blue Shape : Marquise Cut : Low Dome Cabochon Clarity : Opaque Brightness B1 B5 : B3. 5 B1: Faint B2: Dull B3: Bright B4: Very Bright B5: Brilliant Body Tone N1 N9 : N2 Black Opal N1 N4: Black Opal N5 N6: Dark Opal N7 N9: Light Opal Treatment : NONE Origin : Lightning Ridge Opal
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