Australian Solid Natural Polished Opal.
Opal Type : Solid Australian Dark Opal
Carat Weight : 3.73 ct
Size : 10.24 mm x 21.14 mm approx
Thickness : 2.59 mm
Color : Green Blue with a touch of Orange
Shape : Free Shape
Cut : Low Dome Cabochon
Clarity : Translucent
Brightness B1 - B5 : B3.5
B1:Faint B2:Dull B3:Bright B4:Very Bright B5 : Brilliant
Body Tone N1-N9 : N5 Dark Opal
N1-N4:Black Opal N5-N6:Dark Opal N7-N9:Light Opal
Treatment : NONE
Origin : Lightning Ridge Opal Field, NSW Australia