Solid Black Opal from Lightning Ridge
Pictures viewing from both sides
Opal Type : Solid Australian Black Opal
Carat Weight : 4.75 ct
Size : 10.33 mm x 20.71 mm approx
Thickness : 4.09 mm
Color : Blue Green
Shape : Free Shape
Cut : Low Medium Double Dome Cabochon
Clarity : Opaque
Brightness B1 - B5 : B3.5
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 : NONE
Origin : Lightning Ridge Opal Field, NSW Australia