Although it takes up little of the stone's face, this bright yellow feather is certainly delightful. Black opal (Stayish Mine, Wollo Province, Ethiopia), photo by James St. John. Licensed under CC By 2.0.
Translucent Black Play-of-Color Opal Stone Faceted Asscher Cut from Ethiopia
Although it takes up little of the stone's face, this bright yellow feather is certainly delightful. Black opal (Stayish Mine, Wollo Province, Ethiopia), photo by James St. John. Licensed under CC By 2.0.
Article: Identifying Opal Patterns
Credit: James St. John
| Gemstone | Opal Stone |
| Natural or man made | Natural |
| Origin | Ethiopia |
| Origin details | Stayish Mine, Wollo Province |
| Gem State | Faceted |
| Color | Black |
| Transparency | Translucent |
| Photo phenomena | Play of Color |