This rock is a piece of volcanic breccia where reddish opal formed in gas pockets. Photo by James St. John. Licensed under CC By 2.0.
Translucent Red Opal Stone Specimen
This rock is a piece of volcanic breccia where reddish opal formed in gas pockets. Photo by James St. John. Licensed under CC By 2.0.
Article: Opal Prospecting and Mining
Credit: James St. John
| Gemstone | Opal Stone |
| Natural or man made | Natural |
| Gem State | Specimen |
| Color | Red |
| Transparency | Translucent |