Precious opal from the Slovak Republic, Slanské hills, village Červenica site – Libanka. Photo by Ivan Kopor. Licensed under CC By-SA 3.0.
Opaque Blue Play-of-Color Opal Stone Rough from Slovakia
Precious opal from the Slovak Republic, Slanské hills, village Červenica site - Libanka. Photo by Ivan Kopor. Licensed under CC By-SA 3.0.
Article: Opal Stones and Gems: Value, Price, and Jewelry Information
Credit: Ivan Kopor
| Gemstone | Opal Stone |
| Natural or man made | Natural |
| Origin | Slovakia |
| Origin details | Slanské hills, village Červenica site – Libanka |
| Gem State | Rough |
| Color | Blue |
| Transparency | Opaque |
| Photo phenomena | Play of Color |
| Multi-color | More than 3 colors |