Lightning Ridge Solid Natural Crystal Opal.
Opal Type : Solid Aussie Light Crystal Opal
Carat Weight : 0.85 ct
Size : 6.90 mm x 8.15 mm approx
Thickness : 2.53 mm
Color : Green Orange Blue
Shape : Oval
Cut : Medium Dome Cabochon
Clarity : Translucent
Brightness B1 - B5 : B3.6
B1:Faint B2:Dull B3:Bright B4:Very Bright B5:Brilliant
Body Tone N1-N9 : N7 Light Opal
N1-N4:Black Opal N5-N6:Dark Opal N7-N9:Light Opal
Treatment : NONE
Origin : Lightning Ridge Opal Field, NSW Australia