The bright, saturated colors and columns visible in the bottom right corner are indicators of synthetic opal. © Opal Auctions. Used with permission.
Lab-Created Opaque Black Play-of-Color Opal Stone Other
The bright, saturated colors and columns visible in the bottom right corner indicate synthetic opal. © Opal Auctions. Used with permission.
Article: Synthetic Opal Types
Credit: Opal Auctions
| Gemstone | Opal Stone |
| Natural or man made | Lab-made |
| Gem State | Other |
| Color | Black |
| Transparency | Opaque |
| Photo phenomena | Play of Color |