Although these cabbed opals all came from the same piece of rough, they exhibit different characteristics. © All That Glitters. Used with permission.
Translucent White Play-of-Color Opal Stone Cabochon
Although these cabbed opals all came from the same piece of rough, they exhibit different characteristics. © All That Glitters. Used with permission.
Article: Eight Opal Types Explained
Credit: All That Glitters
| Gemstone | Opal Stone |
| Natural or man made | Natural |
| Gem State | Cabochon |
| Color | White, Black |
| Transparency | Translucent |
| Photo phenomena | Play of Color |