Solid Black Opal from Lightning Ridge
Opal Type : Solid Australian Black Opal
Carat Weight : 1.67 ct
Size : 7.28 mm x 10.26 mm approx
Thickness : 3.71 mm
Color : Blue
Shape : Oval
Cut : Medium High Dome Cabochon
Clarity :Translucent
Brightness B1 - B5 : B3.5
B1:Faint B2:Dull B3:Bright B4:Very Bright B5:Brilliant
Body Tone N1-N9 : N4 Black Opal
N1-N4:Black Opal N5-N6:Dark Opal N7-N9:Light Opal
Treatment : NONE
Origin : Lightning Ridge Opal Field, NSW Australia.