Mystery | 4.50ct Lightning Ridge Black Opal Ring in 14kt Gold Agate though the bezel made from

though the bezel made from stainless steel indicates that it could possibly have been a later addition (as opposed to a repair job)

Approximate Surface Opal Content: 17%

and blue-green pieces are harder

Bright color stone with natural opal center and quartz top

Mystery | 4.50ct Lightning Ridge Black Opal Ring in 14kt Gold Agate though the bezel made fromMeet Mystery, A Lightning Ridge Black Crystal Opal Solitaire Ring Well protected in a 14 karat yellow gold bezel setting, the natural black crystal opal in this ring shines brilliant electric blue, green, and purple colors. This handmade piece makes a sentimental gift for that perfect moment. More Information The Stone: Natural Black Crystal Opal, solid origin: Lightning Ridge, New South Wales, Australia approximate carat weight: 4. 50 carats