Assembled black opal doublet. Photo by CRPeters. Licensed under CC By-SA 3.0.
Assembled Translucent Black Black Opal Cabochon
Assembled black opal doublet. Photo by CRPeters. Licensed under CC By-SA 3.0.
Article: An Incredible Union of Colors: Choosing Opal Engagement Ring Stones
Credit: CRPeters
| Gemstone | Opal Stone, Black Opal, Precious Opal |
| Natural or man made | Assembled |
| Gem State | Cabochon |
| Color | Black |
| Transparency | Translucent |