Solid Lightning Ridge Natural Opal Semi Black Opals 7B1:Faint B2:Dull B3:Bright B4:Very Bright

7B1:Faint     B2:Dull     B3:Bright     B4:Very Bright     B5:BrilliantBody Tone N1-N9 : N5 Dark OpalN1-N4:Black Opal     N5-N6:Dark Opal     N7-N9:Light OpalTreatment : NONEOrigin : Lightning Ridge Opal Field

90 mm approx

NSW Australia-----------------------------------------------------Total Item Weight : 3

26 mm x 13

Australian Solid Dark Opal 10k Gold Ring

Solid Lightning Ridge Natural Opal Semi Black Opals 7B1:Faint B2:Dull B3:Bright B4:Very BrightAustralian Solid Natural Polished Opal. Opal Type : Solid Australian Dark OpalCarat Weight : 3. 73 ctSize : 10. 24 mm x 21. 14 mm approxThickness : 2. 59 mmColor : Green Blue with a touch of OrangeShape : Free ShapeCut : Low Dome Cabochon Clarity : TranslucentBrightness B1 B5 : B3. 5B1: Faint B2: Dull B3: Bright B4: Very Bright B5 : BrilliantBody Tone N1 N9 : N5 Dark OpalN1 N4: Black Opal N5 N6: Dark Opal N7 N9: Light OpalTreatment : NONEOrigin :