Yowah nut opal. Photo by Ross Sedawie, Opal Auctions. Licensed under CC By-SA 4.0.
Opaque Brown Opal Stone Other
Yowah nut opal. Photo by Ross Sedawie, Opal Auctions. Licensed under CC By-SA 4.0.
Article: An Incredible Union of Colors: Choosing Opal Engagement Ring Stones
Credit: Opal Auctions
| Gemstone | Opal Stone |
| Natural or man made | Natural |
| Gem State | Other |
| Color | Brown |
| Transparency | Opaque |