Australian Natural Solid Crystal Opal Ring

Lightning Ridge Solid Natural Crystal Opal Sterling Silver 10k Gold Ring.

Opal Type : Solid Dark Crystal Opal
Carat Weight : 0.52 ct
Size : 5.00 mm x 5.00 mm approx
Color : Green Blue
Shape : Round
Cut : High Dome Cabochon
Clarity : Translucent

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.

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Ring Size :
US-6.5 (16.9mm)
Britain/Australia M1/2
Asia 13
Euro 52.5