Opal Type : Solid Australian Dark Opal
Carat Weight : 0.74 ct
Size : 5.73 mm x 6.81 mm approx
Thickness : 3.12 mm
Color : Multi-Color
Shape : Oval
Cut : Medium Dome Cabochon
Clarity : Opaque
Brightness B1 - B5 : B3.8
B1:Faint B2:Dull B3:Bright B4:Very Bright B5:Brilliant
Body Tone N1-N9 : N6 Dark Opal
N1-N4:Black Opal N5-N6:Dark Opal N7-N9:Light Opal
Treatment : NONE
Origin : Lightning Ridge Opal Field, NSW Australia.