Lightning Ridge Solid Opal Sterling Silver Ring.
Opal Type : Australian Solid Dark Opal
Carat Weight : 3.13 cts
Size : 10.00 mm x 15.32 mm approx.
Color : Blue Green
Shape : Triangular
Cut : Low Dome Cabochon
Clarity : Translucent
Brightness B1 - B5 : B3.5
B1:Faint B2:Dull B3:Bright B4:Very Bright B5:Brilliant
Body Tone N1-N7 : N5 Dark Opal
N1-N4:Black Opal N5-N6:Dark Opal N7-N9:Light Opal
Treatment : No Enhanced
Origin : Lightning Ridge Opal Field, NSW Australia.
---------------------------------------------------
Total Item Weight : 6.39 g
Metal Type : Silver
Metal Purity : 92.5 Sterling
Ring Size :
US 9 (18.9 mm)
Britain/Australia R1/2
Asia 18
Euro 59.5