An opal triplet with visible layers, a clear quartz cap, a thin opal layer, and a dark background. Photo by LZ6387. Licensed under CC By-SA 4.0.
Assembled Opaque Blue Play-of-Color Opal Stone Cabochon
An opal triplet with visible layers, a clear quartz cap, a thin opal layer, and a dark background. Photo by LZ6387. Licensed under CC By-SA 4.0.
Article: Gemstone Doublets, Triplets, and Other Assembled Stones
Credit: LZ6387
| Gemstone | Opal Stone |
| Natural or man made | Assembled |
| Gem State | Cabochon |
| Color | Blue |
| Transparency | Opaque |
| Photo phenomena | Play of Color |