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Australian Solid Natural Polished Dark Opal.
Opal Type : Solid Australian Dark Opal
Carat Weight : 1.30 ct
Size : 7.15 mm x 10.12 mm approx
Thickness : 3.21 mm
Color : Multi-Color
Shape : Free Shape
Cut : Medium Dome Cabochon
Clarity : Opaque
Brightness B1 - B5 : B3.9
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.