Solid Natural Black Opal from Lightning Ridge with Blue Green Colors. Crystal Opals B1:Faint B2:Dull B3:Bright B4:Very Bright

B1:Faint B2:Dull B3:Bright B4:Very Bright B5:Brilliant

B1:Faint     B2:Dull    B3:Bright     B4:Very Bright     B5:Brilliant

Australian Solid Dark Opal 10k Gold Ring

Solid Polished Black Opal from Australia

tolstoyWidgetId='s9dv0ev3a9vwx'

Solid Natural Black Opal from Lightning Ridge with Blue Green Colors. Crystal Opals B1:Faint B2:Dull B3:Bright B4:Very BrightSolid Polished Black Opal from Australia display Blue Green Color Fires. Opal Type : Solid Australian Black Opal Carat Weight : 3. 28 ct Size : 9. 74 mm x 13. 85 mm approx Thickness : 4. 23 mm Color : Blue Green Shape : Oval Cut : Medium Dome Cabochon Clarity : Translucent Brightness B1 B5 : B3. 6 B1: Faint B2: Dull B3: Bright B4: Very Bright B5: Brilliant Body Tone N1 N9 : N3 Black Opal N1 N4: Black Opal N5 N6: Dark Opal N7 N9: Light Opal Treatment :