Black opal, 16.42 cts, from Lightning Ridge, Australia. Photo by Daniel Mekis. Licensed under CC By-SA 3.0.
Opaque Black Play-of-Color Black Opal, 16.42 ct Cabochon from Australia
Black opal, 16.42 cts, from Lightning Ridge, Australia. Photo by Daniel Mekis. Licensed under CC By-SA 3.0.
Article: 10 Rare Engagement Ring Stones that Won’t Break the Bank
Credit: Daniel Mekis
| Gemstone | Opal Stone, Black Opal, Precious Opal |
| Natural or man made | Natural |
| Origin | Australia |
| Origin details | Lightning Ridge |
| Carat Weight | 16.42 |
| Gem State | Cabochon |
| Color | Black |
| Transparency | Opaque |
| Photo phenomena | Play of Color |