Solid Lightning Ridge Natural Black Opal Silver Pendant Necklace Crystal Opals 5B1:Faint B2:Dull B3:Bright B4:Very Bright

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 Opal

31 mm x 10

63 gMetal Type :92

74 gramsMetal Type : SilverMetal Purity : 92

Solid Lightning Ridge Natural Black Opal Silver Pendant Necklace Crystal Opals 5B1:Faint B2:Dull B3:Bright B4:Very BrightAustralian Solid Natural Black Opal Sterling Silver Pendant 18" chain Opal Type : Solid Australian Black OpalCarat Weight : 2. 02 ctSize : 9. 00 mm x 11. 35 mm approx. Color : Blue with a touch of GreenShape : Free Shape Cut : FacetClarity : TranslucentBrightness B1 B5 : B3. 5B1: Faint B2: Dull B3: Bright B4: Very Bright B5: BrilliantBody Tone N1 N9 : N3 Black OpalN1 N4: Black Opal N5 N6: Dark Opal N7 N9: Light Opal Treatment : NONEOrigin : Lightning