Opal Stone – Natural, Cabochon, Blue
Opal ring with bezel setting. Photo © Joel E. Arem, PhD, FGA. Used with permission.
Black Opal – Natural, Cabochon, Blue, 31.8 ct
Jewelry with a black opal stone, 31.8 cts. Photo © Joel E. Arem, PhD, FGA. Used with permission.
Opal Stone – Natural, Cabochon, Blue
This sterling silver pendant features a Peruvian picture opal that looks like a satellite photo of actual terrain. Photo courtesy of liveauctioneers.com…
Black Opal – Natural, Cabochon, Black, 2.25 ct
2.25-ct black opal with a harlequin pattern. Photo courtesy of liveauctioneers.com and Simrit Collections.
Opal Stone – Natural, Faceted, Colorless, 1.67 ct
A colorless water opal from Jalisco, Mexico with a dazzling lloviznando (Spanish for “drizzling”) play of color. Round brilliant, 1.67 cts,…
Opal Stone – Natural, Cabochon, Red
Opal ring. Photo © Joel E. Arem, PhD, FGA. Used with permission.
Opal Stone – Natural, Carved, White, 2 ct
Carved white opals, around 2 cts and 1½ inches. Photo © Joel E. Arem, PhD, FGA. Used with permission.
Opal Stone – Natural, Tumbled, White
Yowah nuts are walnut-sized stone concretions with opal in their centers. A split Yowah nut, “Lagoon,” Queensland, Australia. Photo courtesy…
Opal – Natural, Cabochon, White, 3.65 ct
The top of this Flag Harlequin Opal has good, even color play with compartments of rolling flash type ribbons of color, some of which are rainbowlike,…
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