Australian Solid Natural Polished Black Opal.
Opal Type : Solid Australian Black Opal
Carat Weight : 0.65 ct
Size : 5.00 mm x 7.00 mm approx
Thickness : 3.11 mm
Color : Green Blue Yellow
Shape : Oval
Cut : Medium Double Dome Cabochon
Clarity : Semi Opaque
Brightness B1 - B5 : B3.8
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.