Opal Type : Solid Australian Dark Opal
Carat Weight : 1.03 ct
Size : 5.16 mm x 15.40 mm approx.
Color : Green Blue
Shape : Marquise
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 : N5 Dark Opal
N1-N4:Black Opal N5-N6:Dark Opal N7-N9:Light Opal
Treatment : NONE
Origin : Lightning Ridge Opal Field, NSW Australia.