Opal Type: Solid Australian Dark Opal
Carat Weight: 1.40 cts
Size: 7.20 mm x 8.90 mm approx.
Color: Multi-Color
Shape: Free Shape
Cut: Low Dome Cabochon
Clarity: Translucent
Brightness B1 - B5 : B3.7
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.