Opal Stone – Natural, Faceted, Black
Although it takes up little of the stone’s face, this bright yellow feather is certainly delightful. Black opal (Stayish Mine, Wollo Province,…
Opal Stone – Natural, Cabochon, Purple
Ribbon opal patterns like this are rare and valuable. Striped Brazilian opal, photo by LZ6387. Licensed under CC BY-SA 4.0.
Opal Stone – Natural, Cabochon, Black
The large but irregular size and shape in this opal’s play of color resemble flagstone. Photo by Ra’ike. Licensed under CC By 3.0.
Opal Stone – Natural, Cabochon, White
You can see the honeycomb pattern in this Ethiopian opal. © All That Glitters. Used with permission.
Opal Stone – Natural, Cabochon, Black
Each opal in this ring features a different pattern. Photo by James Petts. Licensed under CC By-SA 2.0.
Opal Stone – Lab-made, Cabochon, Blue
Though the photographer doesn’t mention it, this opal looks to me like a synthetic or sophisticated plastic simulant. Photo by James Petts.…
Opal Stone – Natural, Rough, White
Most specimens from Andamooka have a white body color prior to treatment. This one has a region of dark body color, which shows the play of color more…
Opal Stone – Natural, Cabochon, Black
This Andamooka matrix opal certainly resembles fine black opal. However, if you look closely at the black areas you’ll see this matrix opal received…
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